Tax Anticipation Notes

A tax anticipation note (TAN) is a short-term municipal bond issued to bridge timing mismatches between a government’s spending needs and the arrival of tax revenue. A city might issue TANs in January to cover payroll and expenses while waiting for spring property-tax collections; the notes mature and are repaid when those taxes arrive, typically within months.

The cash-flow mismatch problem

Governments have lumpy cash flows. Municipalities might collect property taxes once or twice a year, yet they pay salaries, utilities, and supplies continuously. A city that collects property tax in June and December faces a large cash gap in January—no revenue, but all obligations due. Short-term borrowing bridges this gap until the next tax collection.

A tax anticipation note is the classic solution. The city issues short-term notes backed explicitly by the property-tax revenue it expects to receive in (say) March; the cash from selling those notes covers January expenses. When property taxes arrive in March, the city uses the proceeds to repay the notes. The borrowing is self-liquidating: the pledge is the revenue stream the notes were issued to tide over.

How TANs differ from regular bonds

TANs are narrowly focused tools, unlike general obligation bonds or revenue bonds, which finance long-term assets. TANs are purely about liquidity management. They carry the stamp of government borrowing (tax backing, legal enforceability) but with a maturity of under one year and an interest rate reflecting near-Treasury risk.

The indenture of a TAN is simple: the notes are repaid from specified tax revenue (property tax, sales tax, income tax) anticipated to arrive within a named period. Some TANs include a “roll-over” clause: if the tax revenue doesn’t arrive on schedule, the notes convert to a longer-term obligation or are rolled into the next TAN issuance.

Typical issuers and uses

School districts are frequent TAN issuers. Funding often arrives in the spring (state education appropriations, property-tax receipts), but schools must pay teachers and staff year-round. Winter or early-spring TANs are routine. Counties and cities also use them heavily for similar reasons. A sales-tax-dependent city might issue a TAN in December to cover holiday payroll and cover operations until January sales-tax receipts (which often arrive with a lag) are received.

Some states use TANs to manage budget timing. When anticipated revenues are delayed or state spending must accelerate before receipts arrive, the state treasury borrows via TANs, secured by the known revenue source.

Credit quality and pricing

TANs carry extremely low default risk if the underlying tax revenue is reliable. An investor buying a TAN issued by a sound government and secured by property-tax receipts faces minimal credit risk; the notes will almost certainly be repaid on schedule. This safety is reflected in yields: TANs typically yield only 0.1 to 0.3 percent above the current Treasury-bill rate.

This tight yield spread means TANs are attractive only to investors seeking short-term, safe parking of cash—money-market funds, short-term bond funds, banks managing reserve requirements. Individual investors rarely buy TANs directly; they are institutional instruments traded in the municipal short-term market.

If a government’s credit deteriorates or a tax revenue stream becomes uncertain, TAN yields widen noticeably. A sharp increase in TAN yields is a red flag that investors have lost confidence in the government’s near-term finances.

The role of rating agencies

Moody’s and Standard & Poor’s rate TANs, though the ratings are typically very short-lived (valid for the life of the note, often under a year). A government rated AA for long-term debt is typically rated A-1 or P-1 (prime) for short-term obligations, because payment is secured by imminent revenue. A downgrade in long-term rating may not immediately affect TAN ratings if the short-term tax revenue remains reliable.

However, a government facing a genuine liquidity crisis—one where imminent tax revenue is in jeopardy—will see TAN ratings downgraded sharply, and yields will spike. This happened to some municipalities during the 2008 financial crisis when property-tax collection slowed unexpectedly.

Revolving-note structures and permanent funding

Sometimes a government issues a series of overlapping TANs, rolling them over as each matures. A city might issue a January TAN due in April, and another TAN in April due in July, and so on. This “rolling” pattern creates a semi-permanent short-term borrowing structure. The city refinances notes as they mature, never letting the debt fully clear.

This approach works well as long as the underlying tax revenue remains reliable. But if the revenue dries up—say, a recession cuts property-tax receipts—the rolling TANs can trap a government in debt. Some states have tightened rules to limit rolling TANs or to require that they be fully retired at some point in the fiscal year.

TANs versus revenue anticipation notes (RANs)

A TAN is secured by tax revenue; a related instrument, a revenue anticipation note (RAN), is backed by non-tax revenue like grant payments, fees, or royalties. An oil-producing state might issue a RAN backed by anticipated oil revenues. A city expecting a federal grant might use a RAN to accelerate spending. The mechanics are identical—short-term borrowing backed by a specific, near-term revenue source—but the revenue source differs.

The credit quality of a RAN depends entirely on whether the anticipated revenue materializes. Grant funding can be delayed or cut; oil prices can collapse. RANs are somewhat riskier than TANs secured by reliable tax revenue and typically yield 0.5 to 1.5 percent more.

Regulatory restrictions and good practice

Some states limit the amount of TAN borrowing a municipality can undertake or require that TANs be fully retired by a certain date in the fiscal year. The intent is to prevent a government from rolling TANs into permanent debt disguised as temporary borrowing.

A government using TANs responsibly relies on them only for true timing mismatches—bridging the gap between when cash goes out and when revenue comes in. Chronic reliance on rolling TANs suggests deeper budget problems and is a warning sign for creditworthiness.

Market mechanics and dealer role

TANs are bought and sold by dealers in the municipal short-term market, often as part of a “note program” where a government authorizes standing issuance capacity. A dealer might warehouse TANs for a day or two before selling them to investors, capturing a small spread. The market is less active than the long-term municipal bond market; liquidity can be thinner, especially for small issuers or less-creditworthy jurisdictions.

See also