IRS Forms

Form 1000 – IRS Ownership Certificate

Practitioner guide to IRS Form 1000, the Ownership Certificate for interest on pre-1934 tax-free-covenant corporate bonds: who files, owner classes, and recordkeeping.

20 min read Updated Jun 14, 2026
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A client clears out a parent's safe deposit box and finds an old corporate bond certificate with a tax-free covenant printed on its face. The bond was issued before January 1, 1934, the issuer still honors that covenant, and before any interest gets paid out, the withholding agent wants Form 1000, the IRS Ownership Certificate.

The thing people miss is that Form 1000 never goes to the IRS at all. It goes to the withholding agent paying the interest, who summarizes the certificates on Form 1042 and keeps each one for at least 4 years. Whether the owner is Class 1, with the 2% tax assumed by the corporation, or Class 2, with none, the owner class and the bond issue have to be right on the certificate, because a separate one is required for every issue of bonds.

Key Takeaways

  • Form 1000 is the IRS Ownership Certificate; the bond owner files the signed certificate with the withholding agent that pays the bond interest, not the IRS.
  • Form 1000 applies only to interest on corporate bonds that carry a tax-free covenant and were issued before January 1, 1934; bonds issued on or after that date do not use this form. Class 1 owners have a 2% tax assumed by the corporation on the interest, while Class 2 owners have no tax paid by the corporation.
  • A separate Form 1000 is required for each issue of bonds, and the withholding agent summarizes the certificates it receives on Form 1042.
  • The withholding agent must keep each Form 1000 for at least 4 years after the end of the last calendar year in which the covered interest is paid; amended certificates are due to the agent by February 1 of the following year.
  • Only a U.S. citizen, resident individual, fiduciary, partnership, or nonresident partnership all of whose members are citizens or residents may file Form 1000.

What Is Form 1000 and Who Must Complete It

Form 1000, the Ownership Certificate, identifies the owner of interest on a corporate bond that carries a tax-free covenant and was issued before January 1, 1934. Only a U.S. citizen, resident individual, fiduciary, partnership, or nonresident partnership all of whose members are citizens or residents may file it, in connection with interest on bonds containing a tax-free covenant and issued before January 1, 1934. The owner files the signed certificate with the withholding agent that pays the interest, not the IRS.

You can download the current Form 1000 (Rev. September 2016) from IRS.gov. A separate Form 1000 must be filed for each issue of bonds.

Where the certificate lives after it is signed

Once the owner signs Form 1000, it goes to the withholding agent that pays the bond interest, not to the IRS. The withholding agent keeps each Form 1000 for at least 4 years after the end of the last calendar year in which the covered interest is paid, and summarizes the certificates it receives on Form 1042.

Class 1 and Class 2 Owners

Form 1000 is the IRS Ownership Certificate for interest on pre-1934 tax-free-covenant corporate bonds. The owner files it with the withholding agent, not the IRS. Class 1 owners are individuals, estates, or trusts whose taxable income exceeds the deductions for exemptions, or partnerships; Class 2 owners are individuals, estates, or trusts whose taxable income does not exceed the deduction for exemptions. For Class 1 owners the corporation assumes a 2% tax on the gross interest, while for Class 2 owners no tax is paid by the corporation.

Key points to know

  • Form 1000 must be filed with the withholding agent, not the IRS; the agent does not send it to the IRS.
  • Eligible bonds may be issued by a domestic corporation, a resident foreign corporation, or a nonresident foreign corporation.
  • A separate Form 1000 is required for each issue of bonds.
  • The owner, fiduciary, trustee, or agent must sign and certify that the information entered on the form is correct.
  • The form must show the owner’s name, U.S. identifying number, and address, plus the withholding agent’s name, EIN, and U.S. address.
  • It must also record the bond’s name and date of issue, the date interest is due, and the date interest is paid.

Quick rule for your SOP: file a separate Form 1000 for each bond issue, and route every signed certificate to the withholding agent rather than the IRS.

Foreign Corporations and Paying Agents

A nonresident foreign corporation with a U.S. fiscal or paying agent must modify Form 1000 to show the name and address of the nonresident debtor corporation in addition to the U.S. paying agent. Enter the owner’s U.S. identifying number and address where requested. The core rule does not change: the signed certificate goes to the withholding agent, who retains it as a recordkeeping document.

The withholding agent keeps Form 1000 for at least 4 years after the end of the last calendar year in which the covered interest is paid. That retention does not remove the owner’s duty to provide a complete, signed certificate.

Deadlines, Filing, and Recordkeeping

Here is how timing works in practice.

  • If an amended certificate is necessary, the owner must forward it to the withholding agent by February 1 of the year following the year the original certificate covered.
  • Form 1000 is not submitted to the IRS. The bond owner gives it to the withholding agent that pays the bond interest, and the agent retains it as a recordkeeping document.

Because tax returns and return information are confidential under Internal Revenue Code section 6103, the withholding agent must safeguard each Form 1000 it holds. Keep your paperwork current and within easy reach.

At‑a‑glance timing

Item Minimum lead time How to comply on time
Form 1000 (each bond issue) Before interest is paid Owner files the signed certificate with the withholding agent; the agent does not send it to the IRS.
Amended Form 1000 By February 1 of the following year Forward the amended certificate to the withholding agent so it can update its records before reporting.
Withholding agent retention At least 4 years Keep Form 1000 for at least 4 years after the end of the last calendar year in which the covered interest is paid.
Summary on Form 1042 Annual reporting cycle The withholding agent summarizes the Forms 1000 it receives on Form 1042.

Where the Certificate Goes

  • Download Form 1000 from IRS.gov, complete it, and have the owner or fiduciary sign the certification.
  • Open a separate Form 1000 for each bond issue rather than combining issues on one certificate.
  • Hand the signed certificate to the withholding agent that pays the bond interest.
  • The withholding agent retains each Form 1000 and summarizes the certificates it receives on Form 1042.

Retention and availability

The withholding agent must keep each Form 1000 for at least 4 years after the end of the last calendar year in which the covered interest is paid. Store certificates so they remain available as long as their contents may be material under Internal Revenue law.

What You Need To Fill Out Form 1000

Gather this information before you start filling:

  • The owner’s name, U.S. identifying number, and address.
  • The bond’s name and date of issue, the date interest is due, and the date interest is paid.
  • The owner’s class, either Class 1 (2% tax assumed) or Class 2 (no tax paid by the corporation).
  • The withholding agent’s name, EIN, and U.S. address.
  • If the owner is an estate or trust, the name of the estate or trust.

Download the current Form 1000 (Rev. September 2016) from IRS.gov before you begin.

Step‑By‑Step, Completing Form 1000 Correctly

  • Confirm eligibility Make sure the bond carries a tax-free covenant and was issued before January 1, 1934, and that the filer is a U.S. citizen, resident individual, fiduciary, partnership, or qualifying nonresident partnership.
  • Open the form Download Form 1000 (Rev. September 2016) from IRS.gov.
  • Enter names and identifiers Record the owner’s name and U.S. identifying number, the withholding agent’s name, EIN, and U.S. address, and the name of the estate or trust if applicable.
  • Describe the bond Enter the bond’s name and date of issue, the date interest is due, and the date interest is paid, and assign the owner to Class 1 or Class 2.
  • Sign and hand off The owner, fiduciary, trustee, or agent signs the certification, then files the certificate with the withholding agent, which keeps it for at least 4 years.

If you need to amend a certificate

  • If an amended certificate is necessary, forward it to the withholding agent by February 1 of the year following the year the original certificate covered.
  • A separate Form 1000 must be filed for each issue of bonds, so amend the certificate that covers the specific issue.
  • The owner, fiduciary, trustee, or agent must sign and certify the amended certificate the same way as the original.

Common Mistakes And How To Avoid Them

Form 1000 is rare enough that most of the errors I see come from treating it like a modern information return. These are the slips that create the most rework.

1. Mailing the certificate to the IRS. Form 1000 is not filed with the IRS like an annual return. The owner gives it to the withholding agent that pays the bond interest, and that agent retains it as a recordkeeping document. Fix: Route the signed certificate to the withholding agent and confirm the agent logs it for its Form 1042 summary.
2. Using Form 1000 for a current bond. The form applies only to interest on corporate bonds that carry a tax-free covenant and were issued before January 1, 1934, per the IRS About Form 1000 page. Anything issued on or after that date does not use this form. Fix: Confirm the bond's issue date and covenant language before you start the certificate.
3. Combining bond issues on one certificate. A separate Form 1000 is required for each issue of bonds, so stacking several issues onto one certificate breaks the withholding agent's records. Fix: Open one certificate per bond issue and label each with the bond's name and date of issue.
4. Treating every owner the same. Class 1 owners have a 2% tax assumed by the corporation on the gross interest, while Class 2 owners have no tax paid by the corporation. Mixing them misstates the covenant. Fix: Confirm whether the owner's taxable income exceeds the deduction for exemptions before you assign Class 1 or Class 2.
5. Letting an amended certificate slide. If an amended certificate is needed, it must reach the withholding agent by February 1 of the year following the year the original certificate covered. Fix: Calendar a February 1 cutoff for corrections so the agent can update its records before reporting.
6. Tossing the certificate after three years. Withholding agents must keep Form 1000 for at least 4 years after the end of the last calendar year in which the covered interest is paid, not the standard three-year window. Fix: Set the retention clock to 4 years from the final payment year in your tax document-control workflow.

Real‑World Workflow Tips

  • Build a workpaper checklist that captures the bond issue, owner class, interest dates, and the withholding agent’s details.
  • Keep a digital file of each signed certificate so the withholding agent can summarize it on Form 1042.
  • Archive the signed certificate alongside the bond documentation that establishes the tax-free covenant and the pre-1934 issue date.
  • Run a quick review each season to confirm a separate Form 1000 exists for each bond issue and that retention runs at least 4 years.

Aim for fast retrieval. When an old covenant bond resurfaces years later, being able to produce the signed certificate and its supporting records quickly keeps the payment on track and the withholding agent’s file complete.

Forms, Filing, And Help

  • Form 1000 (Rev. September 2016), available from IRS.gov, filed with the withholding agent and retained by the agent.
  • Form 1042, used by the withholding agent to summarize the Forms 1000 it receives.
  • Amended certificates, due to the withholding agent by February 1 of the following year.
  • Retention, at least 4 years after the end of the last calendar year in which the covered interest is paid.

Quick FAQ

 What exactly is Form 1000

It is the IRS Ownership Certificate (Rev. September 2016). The bond owner files it with the withholding agent that pays the bond interest, not the IRS, and the agent retains it for at least 4 years.

 Is “Appraisal Form 1000” the same thing

No. In some industries, people use “Form 1000” to describe unrelated appraisal documents. Form 1000 is a U.S. IRS form titled the Ownership Certificate, used for interest on U.S. corporate bonds with a tax-free covenant issued before 1934.

 Do I submit Form 1000 to the IRS

No. The bond owner files it with the withholding agent that pays the bond interest, not the IRS. The withholding agent retains the certificate and summarizes the certificates it receives on Form 1042.

 Does each bond issue need its own certificate

Yes. A separate Form 1000 must be filed for each issue of bonds. The withholding agent that pays the bond interest keeps each signed certificate for at least 4 years and summarizes the certificates it receives on Form 1042.

One‑Page Compliance Checklist

  • Confirm the bond carries a tax-free covenant and was issued before January 1, 1934.
  • Confirm the filer is a U.S. citizen, resident individual, fiduciary, partnership, or qualifying nonresident partnership.
  • Complete a separate signed Form 1000 for each bond issue and file it with the withholding agent, not the IRS.
  • Calendar the February 1 amended-certificate deadline and the 4-year retention clock.
  • Keep each certificate and its supporting bond records together so the withholding agent's file stays complete.

How Accountably Fits, Lightly

If your team handles rare instruments like Form 1000 and you want clean document control, standard naming, and version tracking for certificates and workpapers, Accountably can help with the back-office structure. Our work focuses on disciplined SOPs, checklists, and review protection so the right certificate is ready the one time it matters. Use us where it adds control, then keep your team focused on the work, not chasing paperwork.

Final Word

You do not need a bigger binder, you need a simple system. Complete and sign a separate Form 1000 for each bond issue, file it with the withholding agent rather than the IRS, and confirm the owner class and interest dates before handoff. Put the February 1 amended-certificate deadline and the 4-year retention clock on your compliance calendar. Keep each certificate with the bond records that prove the tax-free covenant and the pre-1934 issue date. That is how you turn a once-in-a-career certificate into a routine, well-documented handoff.

Reusable Checklists

These checklists are copy-paste ready for your firm's SOP binder. Drop them into your workpapers so an old covenant bond never stalls a payment.

Owner certificate preparation

  • Confirm the bond carries a tax-free covenant and was issued before January 1, 1934.
  • Confirm the filer is a U.S. citizen, resident individual, fiduciary, partnership, or qualifying nonresident partnership.
  • Enter the owner's name, U.S. identifying number, and address.
  • If the owner is an estate or trust, enter the name of the estate or trust.
  • Record the bond's name and date of issue, the date interest is due, and the date interest is paid.
  • Enter the withholding agent's name, EIN, and U.S. address.
  • Assign the owner to Class 1 (2% tax assumed by the corporation) or Class 2 (no tax paid by the corporation).
  • Open a separate Form 1000 for each bond issue.
  • Have the owner, fiduciary, trustee, or agent sign and certify the information is correct.

Withholding agent handoff and retention

  • Receive the signed certificate from the owner and do not send Form 1000 to the IRS.
  • Verify the bond issue, owner class, and interest dates against the certificate.
  • For a nonresident foreign corporation paying through a U.S. fiscal or paying agent, confirm the form shows both the nonresident debtor corporation and the U.S. paying agent.
  • Summarize the certificates you receive on Form 1042.
  • Log any amended certificate received by the February 1 deadline.
  • Retain each Form 1000 for at least 4 years after the end of the last calendar year the covered interest is paid.
  • Store certificates so they remain available as long as their contents may be material under Internal Revenue law.

Keep 1000 Season From Stalling

Form 1000 does not arrive on a calendar the way a quarterly or April filing does. It surfaces when an estate, a trustee, or a legacy bond portfolio turns up a pre-1934 corporate bond with a tax-free covenant, and the team that has to handle it has usually never seen the Ownership Certificate before. The IRS itself estimates recordkeeping alone at 3 hours and 6 minutes per form, with another 6 minutes to learn the rules and 9 minutes to prepare it, and that is before anyone reconciles owner classes or bond issues.

The fix is not more hours, it is a standing procedure that any preparer or reviewer can follow the one time it matters. When the rules live in your workpapers instead of one person's memory, a rare form stops being a fire drill.

  • Keep a one-page rule card noting that Form 1000 applies only to tax-free-covenant bonds issued before January 1, 1934, and goes to the withholding agent rather than the IRS.
  • Standardize how you assign Class 1 (2% tax assumed by the corporation) versus Class 2 (no tax paid) so the call stays consistent across preparers.
  • Track the February 1 amended-certificate deadline and the 4-year retention clock on the same calendar you use for other compliance dates.
  • Confirm a separate certificate exists for each bond issue and that the withholding agent will summarize them on Form 1042.

This is the kind of low-volume, high-precision work a structured delivery team is built to absorb. Accountably folds rare instruments like Form 1000 into documented SOPs and multi-layer review, so a once-in-a-career certificate gets the same disciplined treatment as routine filings. See how we structure U.S. tax preparation and review so nothing stalls for lack of a procedure.

FAQs

What is Form 1000 used for?

Form 1000 is the IRS Ownership Certificate. It identifies the owner of interest on a corporate bond that carries a tax-free covenant and was issued before January 1, 1934. The owner completes and signs it, then files it with the withholding agent that pays the bond interest, not with the IRS.

Who can file Form 1000?

Form 1000 may be used only by a U.S. citizen, resident individual, fiduciary, partnership, or a nonresident partnership all of whose members are citizens or residents, in connection with interest on bonds that contain a tax-free covenant and were issued before January 1, 1934.

Where do I get Form 1000?

Download the current Form 1000 (Rev. September 2016) from IRS.gov. It is a two-page document that combines the certificate and its instructions. There is no newer revision.

What is the difference between a Class 1 and a Class 2 owner?

Class 1 owners are individuals, estates, or trusts whose taxable income exceeds the deductions for exemptions, or partnerships; for them the corporation assumes a 2% tax on the gross interest. Class 2 owners are individuals, estates, or trusts whose taxable income does not exceed the deduction for exemptions; for them no tax is paid by the corporation.

Do I send Form 1000 to the IRS?

No. The owner files the signed certificate with the withholding agent that pays the bond interest. The withholding agent does not send Form 1000 to the IRS either; it keeps the certificate as a recordkeeping document and summarizes the Forms 1000 it receives on Form 1042.

How long is Form 1000 kept, and when are amendments due?

The withholding agent must keep each Form 1000 for at least 4 years after the end of the last calendar year in which the covered interest is paid, longer than the standard three-year window. If an amended certificate is necessary, it must reach the withholding agent by February 1 of the year following the year the original certificate covered.

Can one Form 1000 cover several bond issues?

No. A separate Form 1000 must be filed for each issue of bonds. If a nonresident foreign corporation pays through a U.S. fiscal or paying agent, the form must also show the name and address of the nonresident debtor corporation in addition to the U.S. paying agent.

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