Plain-English definition

What is TRACS (Tenant Rental Assistance Certification System) ?

TRACS, the Tenant Rental Assistance Certification System, is the HUD system that receives tenant certifications and subsidy payment requests for Multifamily housing programs. Owners and management agents send form HUD-50059 and monthly vouchers into it, and HUD pays subsidy based on what TRACS accepts.

TRACS sits between the property and the money. The site builds a certification and transmits it as a MAT file, and HUD checks it against its own edits for eligibility and subsidy accuracy. A voucher that does not match accepted tenant data does not get paid in full.

The current specification is 202D, which defines the MAT file formats, the HUD-50059 fields, and the discrepancy codes that come back. The MAT User Guide holds the mechanical rules, including the requirement that certification components are stored to the penny and only totals are rounded to the dollar.

TRACS Release 203A is the planned next release, built to carry HOTMA data. HUD issued a stakeholder notice dated September 2, 2026 about the draft 203A MAT Guide and has published no release date. Until it does, 202D stays the version owners submit to. Our TRACS 203A explainer lays out what the draft says.

Property management software builds the MAT file and sends it to TRACS.

Example

A site processes an annual recertification with a March 1 effective date. The software writes it to a MAT file and transmits it. TRACS accepts the certification, and the March voucher requests subsidy that matches it. If the certification is rejected and the voucher is not, the property is paid on data HUD does not hold, and the difference comes back as a discrepancy.

Why TRACS matters

TRACS is the payment path. A certification HUD has not accepted is unpaid subsidy, whatever the file at the site says. Repeated rejections also show up in the property's compliance record, so the transmission layer is where a quiet data-entry habit turns into a finding.

Related terms

Section 8Section 8 is the federal rental assistance program that pays part of a household's rent to a private owner.
EIVEIV, the Enterprise Income Verification system, is HUD's database of tenant employment and income data drawn from federal wage and benefit records.
HOTMAHOTMA, the Housing Opportunity Through Modernization Act of 2016, is a federal law that changes how HUD programs count income and assets.

How Fortress handles it

Sources

Last reviewed October 22, 2026. Back to the glossary