You can get a copy of your original determination letter for your retirement plan or request a correction to the letter by mail or fax. We don’t accept telephone or email requests. Do not submit a copy of your original EP determination letter application with your request. These procedures do not apply to requests for a copy of a tax-exempt organization’s exemption determination letter. How do I request a copy of a previously issued letter? Provide the following in your request: Name of the plan sponsor Plan sponsor's EIN Plan number Plan name Year the letter was issued (not required, but helpful) Form 2848, Power of Attorney and Declaration of Representative PDF, if applicable To receive the reprinted letter: by fax - include your fax number by mail - include your name and address How do I request a corrected determination letter? Include the following in your request: Copy of the letter that you need corrected Your fax number (if no fax number is given, we'll mail the letter to the address on record) Form 2848, Power of Attorney and Declaration of Representative PDF, if applicable Your phone number Detailed explanation of the error in the original determination letter (include copies of any amendments in question) If the original determination letter references a proposed amendment and you're requesting a correction to the letter that is: unrelated to the proposed amendment - the plan sponsor must sign the proposed amendment within 91 days of the original determination letter date related to the proposed amendment - the IRS will extend the 91-day deadline for executing the amendment only if it we determine that the IRS issued the letter with an error directly related to the proposed amendment. Where do I send my request? Fax written requests, including your fax number, to 855-224-1311. Or mail the request by: Regular postal delivery: Internal Revenue Service EP Determinations Attn: Customer Service Manager, Room 6-403, Group 7535 P.O. Box 2508 Cincinnati, OH 45201 Express and overnight delivery: Internal Revenue Service EP Determinations Attn: Customer Service Manager 550 Main Street, Room 6-403, Group 7535 Cincinnati, OH 45202 When should I expect the copy or corrected determination letter? Generally, we'll respond to your request for: a copy of a letter in approximately 3 weeks a corrected letter in 45 days Additional resource Check the Status of Your Letter