CP516: Missing-return reminder — verify business instructions
Prepared by TaxRZR editorial team · IRS sources checked 2026-10-29 (ET) · professional review pending · This page’s Source Notes
The verified IRS CP516 page describes a reminder: the IRS sent a previous notice and still has no record of prior-year tax returns. It does not establish business-specific return coverage. If your notice requests a business return, identify the exact form and tax period rather than assuming CP259 instructions apply. Form 940 (annual unemployment tax), Form 941 (quarterly employment tax) and Form 1120 (corporation income tax) illustrate different business filing obligations, not a verified CP516 return list. Check every requested form and period separately.
What the IRS can do next
General IRS past-due-return guidance warns that leaving required returns unfiled can lead to IRS-determined tax, penalties, interest and eventual collection. The rules depend on the requested return. This reminder is not itself a final notice of intent to levy or a new Collection Due Process (CDP) or Tax Court petition window. Do not assume it suspends separate deadlines or guarantees another warning.
Follow the response date on your actual CP516 and address any required missing return promptly. No universal business response day count or hearing deadline has been verified.
No business-specific recently-filed waiting period has been verified for CP516. The current individual CP516 FAQ says no action is needed within eight weeks; if not filed or more than eight weeks have passed, it calls for Form 15103 and a signed, dated return copy matching the name, SSN and year. Those are individual instructions, not verified business rules. Do not import that eight-week allowance or CP259’s four-week same-name/EIN rule into a business response. Follow the printed instructions and call the IRS number on the notice if they are unclear. General IRS guidance says to file required returns even if you cannot pay in full.
Match the full notice code, requested return and period to filing records. For a business return, use the notice’s actual enclosure and response instructions or ask its IRS contact to confirm them; do not substitute Form 15103 or another notice’s Response form.
Steps to work through
- 01Read the complete code and each requested return type and tax period. Match the business name and EIN to your records. Distinguish annual and quarterly periods, and retain e-file acceptance confirmations or mailing evidence; a rejected filing is not an accepted return.
- 02If a required business return is missing, prepare the correct form for that period with all required schedules and signatures. General IRS guidance directs a past-due return to the location indicated on your notice. Confirm the filing method with the printed instructions; no CP516 business-specific electronic filing, paper-only or fax procedure has been verified here.
- 03If already filed, check the exact form, period, name and EIN and follow your notice’s instructions with filing evidence ready. General past-due-return guidance says to send a copy to the indicated address after receiving a notice, but it does not verify a CP516 business no-response allowance. Contact the issuing IRS office about an older filing, a different name or EIN, rejected filing or unclear instructions rather than assuming you can disregard the notice.
- 04If you believe no return is required, explain why for the specific form and period using the enclosure requested by your actual notice. No business response enclosure has been verified for CP516. Do not assume inactivity or no employees eliminates every filing requirement; check the requested return’s instructions or obtain qualified advice.
- 05Keep copies of the notice, return, explanation, filing records and proof of submission. Track each form and period separately. File a required return even if you cannot pay in full, and ask separately about payment options. If you disagree with the notice or its scope is unclear, call its IRS number with these records ready.
Common misreadings
- Form 15103 and the eight-week FAQ are verified on the individual CP516 page only; they are not verified business response procedures. CP259’s enclosed Response form, four-week rule and fax number must not be borrowed.
- The exact business return types, periods and response enclosure must come from your printed notice or the issuing IRS office. Examples of business forms here do not establish CP516 coverage or a universal no-activity exemption.
- Do not add a B suffix or silently replace CP516 with CP259. This page does not establish a required notice sequence, a guaranteed next reminder or a new appeal period.
Read in the book
- Chapter 4: IRS notice response: Check your balance, deadline, and options
- Chapter 5: IRS tax bill wrong? How to check and dispute it
- Chapter 17: Business tax debt: Payroll taxes and personal liability
- WorksheetsTool 1: IRS Notice Decoder
- WorksheetsTool 2: Tax Debt Inventory
- WorksheetsTool 9: Small-Business Payroll Tax Warning Sheet