Internal revenue service philadelphia mailing address

2970 Market Street. BLN# 3-E08.123. Philadelphia, PA 19104-5016. Fax - If the user fee payment is made electronically, you can fax up to 10 Forms 8802 (including all required …

Department of the Treasury. Internal Revenue Service. Ogden, UT 84201-0023. Note: Also attach a copy to the entity's federal income tax return for the tax year of the election. Page Last Reviewed or Updated: 07-Dec-2023. Print. Find IRS mailing addresses by state to file Form 8832.Mar 29, 2024As per the instructions on the form, Return Part 1 to IRS at the address on the letter that came with it, or the address shown in the “For assistance” box on the front of the form. For assistance, call. 1-800-829-8374 (Individual – Self-Employed/Business Owners), 1-800-829-0922 (Individuals – Wage Earners) May 31, 2019 4:52 PM. I tried ...Get more information for Internal Revenue Service in Philadelphia, PA. See reviews, map, get the address, and find directions. Search MapQuest. Hotels. Food. Shopping. Coffee. Grocery. Gas. Internal Revenue Service. Opens at 7:00 AM ... Internal Revenue Service. Partial Data by Foursquare.Department of the Treasury. Internal Revenue Service. Ogden, UT 84201-0023. Note: Also attach a copy to the entity's federal income tax return for the tax year of the election. Page Last Reviewed or Updated: 07-Dec-2023. Print. Find IRS mailing addresses by state to file Form 8832.Internal Revenue Service. Ogden, UT 84201-0045. Internal Revenue Service. P.O. Box 802503. Cincinnati, OH 45280-2503. Page Last Reviewed or Updated: 24-Oct-2023. Share. Print. Find IRS mailing addresses for taxpayers and tax professionals filing individual federal tax returns for their clients in California.Dec 15, 2023 · Internal Revenue Service. Austin, TX 73301-0045. Internal Revenue Service. P.O. Box 1302. Charlotte, NC 28201-1302. Page Last Reviewed or Updated: 15-Dec-2023. Share. Print. Find IRS mailing addresses for taxpayers and tax professionals filing individual federal tax returns for their clients in Alabama.

Department of the Treasury. Internal Revenue Service. Ogden, UT 84201-0045. Department of the Treasury. P.O. Box 802503. Cincinnati, OH 45280-2503. Page Last Reviewed or Updated: 24-Oct-2023. Print. Find IRS mailing addresses for taxpayers and tax professionals filing individual federal tax returns for their clients in Ohio.Internal Revenue Service. Kansas City, MO 64999 - 0045. Internal Revenue Service. P.O. Box 931300. Louisville, KY 40293-1300. Page Last Reviewed or Updated: 24-Oct-2023. Share. Print. Find IRS mailing addresses for taxpayers and tax professionals filing individual federal tax returns for their clients in Connecticut.Contact Us By Phone. Mailing Addresses [PDF] District Offices. Motor/Alternative Fuels Help. Right-to-Know. Report Tax Fraud. Customer Feedback Survey.ADDRESS CITY, STATE ZIP . INTERNAL REVENUE SERVICE ACS SUPPORT – STOP 5050 PO BOX 219236 KANSAS CITY, MO 64121--9236 We need more information Contact us to be considered for a payment plan Thank you for inquiring about an installment agreement to pay your overdue taxes. However, we didn’t receive the full terms of your …Internal Revenue Service. Austin, TX 73301-0045. Internal Revenue Service. P.O. Box 1302. Charlotte, NC 28201-1302. Page Last Reviewed or Updated: 24-Oct-2023. Share. Print. Find IRS mailing addresses for taxpayers and tax professionals filing individual federal tax returns for their clients in Texas.

The Canada Revenue Agency, or CRA, requires that Canadian citizens who move change the address in their system immediately. The CRA deals with Canada’s taxes and tax information, s...Internal Revenue Service P.O. Box 931100 Louisville, KY 40293-1100: 1040-ES (NR) N/A: Internal Revenue Service P.O. Box 1300 Charlotte, NC 28201-1300: 1040-V. N/A: Internal Revenue Service P.O. Box 931000 Louisville, KY 40293-1000. 1040-X. Department of the Treasury Internal Revenue Service Kansas City, MO 64999 – …1-800-TAX-FORM (800-829-3676). If you are outside the country and need assistance, please call +1-267-941-1000 or visit www.irs.gov. You can contact us by mail at the address at the top of the first page of this notice. Be sure to include your employer ID number, the tax period, and the form number you are writing about.What you get. Tax return or tax account transcript types delivered by mail. Transcripts arrive in 5 to 10 calendar days at the address we have on file for you. Get transcript by mail. You can also request a transcript by mail by calling our automated phone transcript service at 800-908-9946. Visit our Get Transcript frequently asked …

Jimmi sewell released.

Before mailing an international letter, first ascertain whether there are any restrictions on mail to the intended country. International mail must be addressed correctly. If anyth...Moving to a new address can be an exciting but challenging process. Along with packing and unpacking, there’s another crucial task that often gets overlooked – changing your addres...International Accounts. Philadelphia, PA 19255-0725. 美国境外的企业纳税人也可以通过邮件与国税局 ( IRS) 联系：. Internal Revenue Service. International Accounts. Ogden, UT 84201-0038. 波多黎各和美属维尔京群岛的居民可拨打免费电话 800-829-1040 与国税局 ( IRS) 联系。. （营业时间为周一至 ...The U.S. Postal Service recently filed notice with the Postal Regulatory Commission (PRC) that there will be price changes for Shipping Services. The cost of Priority Mail may be c...Mail Form 1128 to: Internal Revenue Service. Associate Chief Counsel (Income Tax and Accounting), Attention: CC:PA:LPD:DRU. P.O. Box 7604, Ben Franklin Station. Washington, DC 20044-7604. Note: The IRS will acknowledge receipt of the application within 45 days.

Review Publication 5181, Tax Return Reviews by Mail: CP2000, Letter 2030, CP2501, Letter 2531 PDF. Keep a copy of the notice for your records. Complete section 3 (authorization) on the response form if you want to allow someone, in addition to yourself, to contact us about this notice. Or, send us a Form 2848, Power of Attorney and …International Taxpayer Services. The call center is operational Monday through Friday, from 6:00 AM to 11:00 PM, Eastern Time: Tel: 001-267-941-1000 (not toll free); select the option for international callers. Fax: 001-681-247-3101. Individual taxpayers located outside the U.S. may also contact the IRS by mail at: Internal Revenue Service.You do need to complete and submit the form 9465 as well. Both forms can be sent together and since you live in UT here is the address to mail all too. Department of the Treasury, Internal Revenue Service, P.O. Box 9941, Stop 5500, Ogden, UT 84409I responded to a CP2000 notice that I didn't agree with and sent my response via certified mail. The address I sent it to was what was on the CP2000 notice: Internal Revenue … See IRM 5.19.4.3.8, Levy Source Address, regarding centralized mail addresses and see IRM 5.19.4.3.9, ACS Levy Sources on SERP, for information on levy source address availability on SERP. Reminder: ACS employees are required to make sure that addresses are complete including zip codes before requesting the levy or letter. Phone: 470-639-3468. James Clifford, Director, Return Integrity and Compliance Services. Phone: 470-639-3505. Karin Rice, Director, Communications and Liaison. Phone: 470-639-3298. Karen Truss, Director, Operations Support. Phone: 470-639-3503. Page Last Reviewed or Updated: 10-Apr-2024. Taxpayer Services provides top quality service by helping ...Department of the Treasury. Internal Revenue Service. Ogden, UT 84201-0045. Department of the Treasury. P.O. Box 802503. Cincinnati, OH 45280-2503. Page Last Reviewed or Updated: 24-Oct-2023. Print. Find IRS mailing addresses for taxpayers and tax professionals filing individual federal tax returns for their clients in Ohio.Directions. Advertisement. 600 Arch St. Philadelphia, PA 19106. Open until 4:30 PM. Hours. Mon 8:30 AM - 4:30 PM. Tue 8:30 AM - 4:30 PM. Wed 8:30 AM - 4:30 PM. Thu …Make sure your check or money order includes the following information: Your name and address. Daytime phone number. Social Security number (the SSN shown first if it's a joint return) or employer identification number. Tax year. Related tax form or notice number. Mail your payment to the address listed on the notice or instructions, or …

Box 4—Name and address. Enter your name and address as shown on Form 941. Enclose your check or money order made payable to “United States Treasury.”. Be sure to enter your EIN, “Form 941,” and the tax period (“1st Quarter 2024,” “2nd Quarter 2024,” “3rd Quarter 2024,” or “4th Quarter 2024”) on your check or money order.

Apr 15, 2024 · Frequently asked questions about refund inquiries. If you lost your refund check, you should initiate a refund trace: Use Where's My Refund, call us at 800-829-1954 and use the automated system, or speak with an agent by calling 800-829-1040 (see telephone assistance for hours of operation). Internal Revenue Service ITIN Operation P.O. Box 149342 Austin, TX 78714-9342. If you mail your application, don’t use the mailing address in the instructions for your tax return (for example, Form 1040-NR). Your tax return will be processed after it is mailed as part of your application package to the address in these instructions.Serve America's taxpayers fairly and with integrity by providing correct and impartial interpretation of the internal revenue laws and the highest quality legal advice and representation for the Internal Revenue Service. Headquarters. Washington, DC. Phone: 202-317-3300 Fax: 855-573-7040. Management team. Margie Rollinson, Chief CounselOffice of Chief Counsel, Internal Revenue Service, 801 9th Street, NW, Mint Building, Room 4-157, Washington, DC, 20220 Regular Mail: 1111 Constitution Ave NW, The Mint Building, M-4-157, Washington, DC 20224 FTS: (202) 283-8600 FAX: (202) 283-7176 Title/Position Name Telephone Room Division Counsel (LMSB) Linda M. Kroening (202) 283-8603Appeals – An Independent Organization. Appeals is separate and independent from the IRS Examination and Collection functions that make tax assessments and initiate collection actions. Our mission is to resolve tax controversies: Without litigation. On a basis which is fair and impartial to both the Government and you, and.Internal Revenue Service P.O. Box 931100 Louisville, KY 40293-1100: 1040-ES (NR) N/A: Internal Revenue Service P.O. Box 1300 Charlotte, NC 28201-1300: 1040-V. N/A: Internal Revenue Service P.O. Box 931000 Louisville, KY 40293-1000. 1040-X. Department of the Treasury Internal Revenue Service Kansas City, MO 64999 – …Mail Form 1128 to: Internal Revenue Service. Associate Chief Counsel (Income Tax and Accounting), Attention: CC:PA:LPD:DRU. P.O. Box 7604, Ben Franklin Station. Washington, DC 20044-7604. Note: The IRS will acknowledge receipt of the application within 45 days.Directions. Advertisement. 600 Arch St. Philadelphia, PA 19106. Open until 4:30 PM. Hours. Mon 8:30 AM - 4:30 PM. Tue 8:30 AM - 4:30 PM. Wed 8:30 AM - 4:30 PM. Thu …

Chevy cruze 2014 water pump.

Services offered by the ivy day spa.

About Form 8822-B, Change of Address or Responsible Party - Business. Form 8822-B is for businesses and other entities with an Employer Identification Number application on file. Use Form 8822-B to notify the Internal Revenue Service if you changed: Business mailing address. Business location.Option 1. Mail your W-7, tax return, proof of identity, and foreign status documents to: Internal Revenue Service. Austin Service Center. ITIN Operation. P.O. Box 149342. Austin, TX 78714-9342. You will only file a tax return to the address above once, when you file Form W-7 to get an ITIN. In subsequent years, when you have an ITIN, …Appeals is separate and independent from the IRS Examination and Collection functions that make tax assessments and initiate collection actions. Our mission is to resolve tax controversies: Independence and impartiality are our most important core values, because our independence protects our ability to make objective and impartial …Added acronyms MMR – Monthly Monitoring Report and IRS - Internal Revenue Service. IRM 5.19.6.1.7, IPU 22U1155 issued 12-05-2022: Added IRM 5.19.25, Passport, as a related resource. ... Added steps to update the mailing address for an ex-spouse at a different address. ... Updated Philadelphia IDRS to 0566300001 to replace deleted IDRS team.If the amount you want to appeal is $25,000 or less in proposed change in tax, penalties, and interest for each tax period, you can: Use Form 12203, Request for Appeals Review, available on www.irs.gov, or by calling 1-800-829-3676, or. Send in a brief written statement requesting an Appeal.Mail 433-D form to: Internal Revenue Service. ACS Support. PO Box 8208. Philadelphia, PA 19101-8208. @rhuelsman1948. **Say "Thanks" by clicking the thumb icon in a post. **Mark the post that answers your question by clicking on "Mark as Best Answer".International Taxpayer Services. The call center is operational Monday through Friday, from 6:00 AM to 11:00 PM, Eastern Time: Tel: 001-267-941-1000 (not toll free); select the option for international callers. Fax: 001-681-247-3101. Individual taxpayers located outside the U.S. may also contact the IRS by mail at: Internal Revenue Service.The address I sent it to was what was on the CP2000 notice: Internal Revenue Service. AUR CORR 5-e08-113. Philadelphia, PA 19255. I knew that weird address was going to be an issue and now it is. According to USPS's tracking site, my response was delivered today in Philadelphia, but to a 19101 zipcode. I'm panicking as this is time sensitive ...The revenue officer may also mail the Form 433-D to the address in (d) below. Mail. Forward the completed Form 433-D, Installment Agreement, with the bank account information or copy of a cancelled check on the ICS generated Form 3210, Document Transmittal, for input. ALL field DDIAs are input at the Philadelphia CCP …Department of the Treasury. Internal Revenue Service. Ogden, UT 84201-0023. Note: Also attach a copy to the entity's federal income tax return for the tax year of the election. Page Last Reviewed or Updated: 07-Dec-2023. Print. Find IRS mailing addresses by state to file Form 8832.Wisconsin authorizations are submitted to Ogden. Cincinnati Refund Inquiry Unit. PO Box 145500. Mail Stop 536G. Cincinnati, OH 45250. 855-307-3124. Ogden Refund Inquiry Unit. 1973 N Rulon White Blvd. Mail Stop 6733. ….

Internal Revenue Service Philadelphia, PA 19255-0625; Or, if using a private delivery service, mail your application and required documents to: Internal Revenue Service 2970 Market Street BLN# 3-E08.123 Philadelphia, PA 19104-5002; You can also fax Form 8802 to (877) 824-9110 if you’re within the United States or (304) 707-9792 if you’re ... The IRS Tax Withholding Estimator estimates your federal income tax paycheck withholding amount and can help you perform a "paycheck checkup." If you received an IRS CP14 Notice, you owe money on unpaid taxes. Pay the amount you owe, establish a payment plan or call if you disagree with the amount. Mail Form 1128 to: Internal Revenue Service. Associate Chief Counsel (Income Tax and Accounting), Attention: CC:PA:LPD:DRU. P.O. Box 7604, Ben Franklin Station. Washington, DC 20044-7604. Note: The IRS will acknowledge receipt of the application within 45 days.May 31, 2019 · You do need to complete and submit the form 9465 as well. Both forms can be sent together and since you live in UT here is the address to mail all too. Department of the Treasury, Internal Revenue Service, P.O. Box 9941, Stop 5500, Ogden, UT 84409 Dec 15, 2023 · Internal Revenue Service. Austin, TX 73301-0045. Internal Revenue Service. P.O. Box 1302. Charlotte, NC 28201-1302. Page Last Reviewed or Updated: 15-Dec-2023. Share. Print. Find IRS mailing addresses for taxpayers and tax professionals filing individual federal tax returns for their clients in Alabama. Mar 20, 2024 · The Taxpayer Advocate Service is an independent organization within the IRS and is your voice at the IRS. Our job is to ensure that every taxpayer is treated fairly, and that you know and understand your rights as a taxpayer. We offer free help to guide you through the often-confusing process of resolving tax problems that you haven't been able ... Appeals is separate and independent from the IRS Examination and Collection functions that make tax assessments and initiate collection actions. Our mission is to resolve tax controversies: Independence and impartiality are our most important core values, because our independence protects our ability to make objective and impartial …Internal Revenue Service Center Ogden, UT 84201-0010: All APO and FPO addresses, American Samoa, nonpermanent residents of Guam or the Virgin Islands*, Puerto Rico (or if excluding income under Internal Revenue Code Section 933), a foreign country: U.S. citizens and those filing Form 2555, 2555-EZ, or 4563: Internal Revenue … Internal revenue service philadelphia mailing address, The addres in Philadelphia for Internal Revenue Service office tax refunds is 600 Arch St. Philadelphia. The coordinates are; Lat:39.952712321956 Long:-75.150015307443. What …, Internal Revenue Service P.O. Box 802501 Cincinnati, OH 45280-2501: Arkansas: Department of the Treasury Internal Revenue Service Kansas City, MO 64999-0002: Internal Revenue Service P.O. Box 931000 Louisville, KY 40293-1000: California: Department of Treasury Internal Revenue Service Ogden, UT 84201-0002: Internal Revenue Service P O Box ... , Sign in to your account. Get your tax record. Make a payment. File your taxes for free. Find forms & instructions. Get answers to your tax questions. Apply for an Employer ID Number (EIN) Check your amended return status., Moving to a new address can be an exciting but challenging process. Along with packing and unpacking, there’s another crucial task that often gets overlooked – changing your addres..., Get information, directions, products, services, phone numbers, and reviews on Internal Revenue Service in Philadelphia, undefined Discover more Public Finance, Taxation, and Monetary Policy companies in Philadelphia on Manta.com, Directions. Advertisement. 2970 Market St. Philadelphia, PA 19104. Opens at 7:00 AM. Hours. Mon 7:00 AM - 5:00 PM. Tue 7:00 AM - 5:00 PM. Wed 7:00 AM - 5:00 PM. Thu …, The revenue officer may also mail the Form 433-D to the address in (d) below. Mail. Forward the completed Form 433-D, Installment Agreement, with the bank account information or copy of a cancelled check on the ICS generated Form 3210, Document Transmittal, for input. ALL field DDIAs are input at the Philadelphia CCP …, 2121 Market St, Philadelphia, PA 19103. Math Physics Astronomy Library. 209 S 33rd St Rm 3n1, Philadelphia, PA 19104. Next Step Associates. 2143 Bainbridge St, Philadelphia, PA 19146. Jacobs Engineering Group. 2301 Chestnut St, Philadelphia, PA 19103. Van Pelt Library. 3420 Walnut St Ste 1, Philadelphia, PA 19104. Phmc Mary Howard Health Center, AboutInternal Revenue Service (IRS) Internal Revenue Service (IRS) is located at 2970 Market St in Philadelphia, Pennsylvania 19104. Internal Revenue Service (IRS) can be contacted via phone at 800-829-1040 for pricing, hours and directions., Box 4—Name and address. Enter your name and address as shown on Form 941. Enclose your check or money order made payable to “United States Treasury.”. Be sure to enter your EIN, “Form 941,” and the tax period (“1st Quarter 2024,” “2nd Quarter 2024,” “3rd Quarter 2024,” or “4th Quarter 2024”) on your check or money order., The best address to send the form as a resident of California is as follows: Internal Revenue Service Center. Fresno, CA 93888-0010. The IRS does offer various types of payment plans to resolve a tax debt along with other alternative resolutions. It’s important to ensure that the payment plan is one that you can actually afford., The IRS sends notices and letters for the following reasons: You have a balance due. You are due a larger or smaller refund. We have a question about your tax return. We need to verify your identity. We need additional information. We changed your return. We need to notify you of delays in processing your return., The Taxpayer Advocate Service (TAS) is an independent organization within the IRS. We’re here to ensure that every taxpayer is treated fairly and that you know and understand your rights. Our advocates can help if you have tax problems that you can’t resolve on your own., Street Address - The street address for each Campus/Submission Processing Center/Accounts Management Center is shown below. All general administrative mail and/or SPC deliveries from IRS and other sources should utilize the following street addresses: Street Addresses. Internal Revenue Service. 310 Lowell St., IRS Mailing Address List by States, Including UPS and FedEx; Mail Tax Return Forms 1040, 1040-SR, 1040-X, & 1040-NR Based on Where You Live. ... With payment attached: Internal Revenue Service | P.O. Box 7704 | San Francisco, CA 94120-7704. The IRS closed these California processing centers in June of 2021., Internal Revenue Service. Taxpayer Advocacy Panel. Contact. Contact the IRS for help with your tax questions. Toll-free number. 1-800-829-1040. TTY. 1-800-829-4059. Find an office near you., Occasionally, email that you send from your Yahoo mail account may bounce back. This may be for a number of reasons, including typos in the email address, inactive accounts or acco..., See IRM 5.19.4.3.8, Levy Source Address, regarding centralized mail addresses and see IRM 5.19.4.3.9, ACS Levy Sources on SERP, for information on levy source address availability on SERP. Reminder: ACS employees are required to make sure that addresses are complete including zip codes before requesting the levy or letter. , 40 Internal Revenue Service jobs available in Philadelphia, PA on Indeed.com. Apply to Tax Manager, Tax Examiner, Counsel and more!, AboutInternal Revenue Service (IRS) Internal Revenue Service (IRS) is located at 2970 Market St in Philadelphia, Pennsylvania 19104. Internal Revenue Service (IRS) can be contacted via phone at 800-829-1040 for pricing, hours and directions., Taxpayers located in Alaska, California, Hawaii, Ohio and Washington state who previously filed their federal tax returns with Fresno should now mail their returns to the Ogden, Utah, processing center. The Ogden address for filing paper individual returns is: Department of the Treasury Internal Revenue Service Ogden, UT 84201-0002. Fresno ..., Please note, the carriers require you to provide a pick-up address and a phone number on the pre-paid shipping label. The pick-up address and phone number is. Internal Revenue Service 2970 Market St. Philadelphia, PA 19104 267-466-1679, Wisconsin authorizations are submitted to Ogden. Cincinnati Refund Inquiry Unit. PO Box 145500. Mail Stop 536G. Cincinnati, OH 45250. 855-307-3124. Ogden Refund Inquiry Unit. 1973 N Rulon White Blvd. Mail Stop 6733., Internal Revenue Service Attn: Passport P.O. Box 8208 Philadelphia, PA 19101-8208 TAXPAYER NAME 123 N HARRIS ST HARVARD, TX 12345 . Notice . CP508R . Notice date . January 30, 2017 . Taxpayer ID number . XXX-XX-NNNN. To contact us . Phone: 1-855-XXX-XXXX International: 1-267-XXX-Page 1 of 1 XXXX. Reversal of notice of …, Internal Revenue Service. International Accounts. Ogden, UT 84201-0038. Los residentes de Puerto Rico y las Islas Vírgenes Estadounidenses se pueden comunicar con el IRS gratuitamente llamando al 800-829-1040. (El horario de operación es de las 7 a.m. a las 10 p.m., de lunes a viernes). Para recibir asistencia en persona en Puerto Rico ..., Oct 24, 2023 · Internal Revenue Service. Austin, TX 73301-0045. Internal Revenue Service. P.O. Box 1302. Charlotte, NC 28201-1302. Page Last Reviewed or Updated: 24-Oct-2023. Share. Print. Find IRS mailing addresses for taxpayers and tax professionals filing individual federal tax returns for their clients in Texas. , The address I sent it to was what was on the CP2000 notice: Internal Revenue Service. AUR CORR 5-e08-113. Philadelphia, PA 19255. I knew that weird address was going to be an issue and now it is. According to USPS's tracking site, my response was delivered today in Philadelphia, but to a 19101 zipcode. I'm panicking as this is time sensitive ... , A group mailing list is useful when you need to send email to a regular group of individuals in your Address/Contacts folder. There is a specific procedure you can follow to create..., Note. To ensure proper processing, write “Branded Prescription Drug Fee” across the top of Form 843. Internal Revenue Service. Mail Stop 4921 BPDF. 1973 N. Rulon White Blvd. Ogden, UT 84404. Caution. Use this address only if you are claiming a refund of the branded prescription drug fee. For requests of a net interest rate of zero., Ogden, UT 84201-0002. With payment: Internal Revenue Service. P.O. Box 37910. Hartford, CT 06176-7910. There’s no one IRS address. The one you use depends on where you’re filing from. Here’s ..., Street Address - The street address for each Campus/Submission Processing Center/Accounts Management Center is shown below. All general administrative mail and/or SPC deliveries from IRS and other sources should utilize the following street addresses: Street Addresses. Internal Revenue Service. 310 Lowell St. , Internal Revenue Service Philadelphia, PA 19255-0625; Or, if using a private delivery service, mail your application and required documents to: Internal Revenue Service 2970 Market Street BLN# 3-E08.123 Philadelphia, PA 19104-5002; You can also fax Form 8802 to (877) 824-9110 if you’re within the United States or (304) 707-9792 if you’re ..., Get more information for Internal Revenue Service in Philadelphia, PA. See reviews, map, get the address, and find directions.