Form 8596 and the federal contractor indicator: the 100 percent levy and the tax check

What Form 8596 reports

Form 8596, Information Return for Federal Contracts, is filed by federal executive agencies, not by contractors. The manual's description: the forms "are filed by federal executive agencies to report the name, address, and the taxpayer identification numbers of the persons or corporations with whom they have entered contracts totaling $25,000, or more," quarterly, with Form 8596-A as the transmittal, and "the form is processed at Kansas City Processing Service Center" (IRM 5.7.9.2, Feb. 9, 2023). The electronic specifications are Publication 1516; the form is on the IRIS form list, and its e-file rules are on the 8596 IRIS page.

What the agency reports is the contract, not the payments: "name, address, TIN, and their contract time line (start and end date of contract)" (IRM 5.7.9.1.1, Jan. 13, 2025). The payments themselves reach the IRS another way, through the Treasury disbursement system that the levy program reads. The 8596 is what tells the IRS that a contract exists and when it ends.

The indicator on your account

"The IRS matches the taxpayer identification number (TIN) from the quarterly Form 8596 filed by Federal Agencies, against the Individual Master File (IMF) and Business Master File (BMF) TINs, and systemically posts a TC 971 AC 647 on each entity" (IRM 5.7.9.2). The transaction sets a Federal Contractor Indicator, shown as "FCI> 1" on the entity screen, and it "posts to the entity, regardless of whether the taxpayer has a balance due or un-filed return on any module." The posting date is the quarter-end date of the 8596; if several 8596s arrive for one taxpayer in a quarter, the latest contract end date is kept; if the agency left the end date blank, "a default 3-year date expiration is displayed."

The indicator is reversed by a TC 972 AC 647 when the end date passes. "BMF generates these reversals once a year in January, and IMF posts the reversals twice yearly (January and June)," so a business whose contract ended in February carries the flag until the following January unless a revenue officer reverses it by hand, which the manual allows when "the taxpayer has not received any federal payments during the current year" or the indicator was input in error (IRM 5.7.9.2.2).

The flag can also be set without an 8596. A revenue officer who suspects a federal contract is told to ask, secure "the name of the agency the taxpayer does business with, the contract number and contract end date," check the System for Award Management, and request the indicator on Form 4844 with a one-year default end date when the real one is unknown. A "yes" to the federal contractor question on Form 433-A (question 55) or 433-B (question 15) does the same.

The levy: 100 percent, hearing afterward

Two statutes do the work. IRC 6331(h) allows a continuous levy on "specified payments," and for vendors of goods and services to the federal government the rate is up to 100 percent of each payment. The Small Business Jobs Act of 2010 "amended IRC 6330 (f) and (h), to allow the Collection Due Process (CDP) notice and hearing to occur post-levy when issuing levies on federal contractors" (IRM 5.7.9.3.1, Jan. 13, 2025). The pre-levy notice is still required: the CP 504 or Letter 1058 must be 30 days old under IRC 6331(d), but the CDP notice that normally precedes a levy can come with it, as Letter 1058-F, "Post Levy Federal Contractor Collection Due Process."

In practice the levy is automated. The Federal Payment Levy Program matches balance-due accounts against payments the Bureau of the Fiscal Service is about to disburse; the manual says it "may be more effective to allow the automated FPLP process to levy the federal payment source rather than using a paper levy" because the vendor rate is 100 percent (IRM 5.7.9.3.2, Feb. 9, 2023). FPLP picks up accounts in collection statuses 22, 23, 24 and 26 and some accounts written off as currently not collectible. A TC 971 AC 062 on a module means a federal payment has been matched; when positions 11 and 12 of its document locator number are "03," the payment was a contractor or vendor payment.

A paper levy, Form 668-A, is the backup. It is sent to the paying agency's finance office with the contract number on it ("When issuing levies to the Department of Defense, the contract number must be included"), and the IRS lists itself as a levy source for its own contractors at the Beckley Finance Center (IRM 5.7.9.3.3). A FEDCON levy "may be served during a timely requested pre- or post-levy CDP hearing," which is the reverse of the ordinary rule that a timely hearing request suspends levy.

What the revenue officer does differently

• The flag is checked first. "Part of the initial analysis of every assigned case must include documentation as to whether the taxpayer is a federal contractor. If there is an unreversed TC 971 AC 647 ... the taxpayer is a federal contractor" (IRM 5.7.9.2.3).
• Normal collection, except levies. "Follow normal collection process on cases identified as federal contractors, with the exception of the issuance of levies": the officer is told to consider the FEDCON levy with post-levy CDP rights, after confirming nothing is pending that would bar it, such as an offer or an installment agreement under consideration.
• FPLP is left running. The officer "must determine and document if the continuous FPLP levy payments are being received, and if the FPLP will remain on the account until the balance is full paid. If not, additional collection methods should be considered." Blocking the automated levy requires a documented reason.
• Related entities are mapped. When the contractor flag and a federal payment match are both present, the officer researches the CDW Knowledge Graph Environment, a tool that draws the taxpayer's ownership ties from Forms 1120, 1120-S, 1065 and 1041 and their K-1s, "to identify other entities related to the taxpayer."
• Delinquent returns are assessed promptly. Returns secured from a federal contractor "will be prompt assessed unless it is determined prompt assessing will not facilitate collection" (IRM 5.7.9.4).
• One historical exception. For employment taxes on wages paid before 2009 assessed in the name of a disregarded single-member LLC, the assessment is blocked from FPLP because the LLC is not the taxpayer; the levy goes out in the owner's name instead.

The tax check before an award

The second half of the manual is about the IRS's own procurement, and it is the clearest statement in the IRM of what a federal tax check looks like. "As of October 19, 2016, 'all' IRS potential contractors/vendors are subject to a tax check to determine eligibility for contract award. Taxpayers identified with an unresolved tax delinquency are not eligible to receive a contract award. To be eligible for an IRS contract/award, potential contractors/vendors cannot have an outstanding balance unless they have an approved payment agreement in place" (IRM 5.7.9.5, Feb. 9, 2023).

The mechanics: the contracting officer runs the check, ideally 20 business days before award, and sends any failure to an SB/SE mailbox. A collection policy analyst reviews the account within 24 hours; if it is not in compliance the case goes to the Federal Agency Delinquency team at the Brookhaven campus, which has three to five business days to resolve it. Resolution without contacting you is tried first: a credit sitting on another module, a pending adjustment, a penalty abated through first-time abate or on research. If that works, a TC 470 with closing code 90 takes the account off the procurement delinquency list. Otherwise the team calls the point of contact the contracting officer supplied, or the number on the entity record (IRM 5.7.9.5.1, 5.7.9.5.2). Accounts in an installment agreement (status 60) or an accepted offer (status 71) pass.

Other agencies run their checks under their own rules. The government-wide certification is FAR 52.209-5, under which an offeror certifies whether it has been notified of delinquent federal taxes above the FAR threshold that remain unsatisfied, and FAR 52.209-11, carried in the annual appropriations acts, requires a corporation to disclose an unpaid federal tax liability that has been finally determined and is not being paid under an agreement, which bars the award unless a suspension and debarment official has reviewed it. The IRS manual does not describe those procedures; what it shows is that for the IRS's own awards the threshold is zero and the clock is days.

What it means for a payer

• A Form 945 or 972CG balance is a contract problem. Backup withholding assessed on Form 945, an information return penalty, or an unpaid deposit penalty is a balance due like any other. With the contractor indicator on the account it is collected at the vendor rate from the next federal payment, and it fails an IRS tax check at any amount. Resolve it, or get it into an installment agreement, before the next award cycle.
• The TIN the agency reports is the TIN that gets flagged. The indicator posts when the 8596 TIN matches a master file account. The name and TIN on your SAM registration and your W-9 to the agency should be the legal name and EIN on your IRS account; the name control rules and the Letter 147C are how to confirm what the IRS holds.
• Subcontractors are outside the program. The indicator and the 100 percent rate attach to the prime. What a prime owes its subcontractors is ordinary 1099 reporting and, where a TIN is missing, backup withholding.
• The CDP hearing still exists. It comes after the levy, on Letter 1058-F, with the usual 30 days to request it, and a timely request suspends the collection statute while it is pending even though the levy continues. Vendor levies covers the paper Form 668-A in the ordinary case.
• Expect the flag to outlive the contract. Reversal is annual for a business. If a contract ended and a balance later arises, the officer can be asked to reverse the indicator on the ground that no federal payments were received in the current year.

Questions people ask