What Is a Full-Flex Repurchase Agreement for Bond Proceeds?

A full-flex repurchase agreement is a repo arranged for money a bond issuer will not spend all at once, with the collateral, custody and marking terms set by the governing statute where it sets them, and the withdrawal provisions negotiated to the issuer's spend-down schedule.

The Securities and Exchange Commission has described guaranteed investment contracts, repurchase agreements and forward purchase agreements as products typically tailored to meet municipalities' specific collateral and spend-down needs.

mGIC evaluates and competitively bids three products for bond proceeds, guaranteed investment contracts, full-flex repurchase agreements and structured Treasury portfolios, and it sells none of them; the wider set of investments for bond proceeds is on the products hub.

The sections below take the agreement's four working parts in order: the collateral and its margin, third-party custody, valuation and substitution, and the withdrawal terms.

What is a flex repo, and how does it differ from a standard repo?

A repo, as the Federal Reserve Bank of New York's Economic Policy Review describes it, is the sale of a security or a portfolio of securities combined with an agreement to repurchase it on a specified future date at a prearranged price, and economically it resembles a collateralized loan.

The amount by which the collateral's value exceeds the cash advanced is the haircut, and the article's illustration is a $95 loan against $100 of collateral, a 5% haircut.

The repos the general public-fund statutes write are term-limited instruments: Ohio and New Jersey cap public-fund repurchase agreements at 30 days, Massachusetts at 90 days, Arizona at 180 days, California at one year, and Colorado at five years unless the governing body authorizes longer.

A full-flex repurchase agreement for bond proceeds is written against a different clock: the SEC describes these products as typically tailored to municipalities' specific collateral and spend-down needs.

The flex is in the withdrawal and reinvestment terms: Treasury Regulation §1.148-1(b) includes within its guaranteed-investment-contract definition any nonpurpose investment that has specifically negotiated withdrawal or reinvestment provisions and a specifically negotiated interest rate, and those negotiated withdrawal provisions are the terms this page means by flex.

Whether any particular full-flex repo is a guaranteed investment contract for arbitrage purposes is a determination for bond counsel and tax counsel, because the regulation says the definition "includes" those agreements and is not exhaustive.

What collateral does a flex repo hold, and how much over-collateralization is required?

The statutes pair an eligible securities list with a minimum collateral level: California requires 102% of funds borrowed, Colorado at least 102%, Ohio at least 2% above principal, and Texas a market value of not less than the principal disbursed.

Texas requires a fully collateralized repo with a defined termination date, secured by cash and U.S. or agency obligations or other listed obligations, pledged and held in the entity's name with the entity or an approved third party, and placed through a primary government securities dealer or a financial institution doing business in Texas.

The Texas test is a market value rule: the underlying obligations must be worth, when the funds are disbursed, not less than the principal amount disbursed, and the statute sets no margin percentage above that.

California requires the market value of the securities underlying a repo to be valued at 102% or greater of the funds borrowed, with a term not exceeding one year.

Ohio requires the market value of the securities to exceed the principal value of the written repo by at least 2% and to be marked to market daily, in an agreement of 30 days or less.

Colorado requires repurchase agreements on U.S. Treasury or agency securities to be collateralized at no less than 102% and marked to market at least weekly, with a term of up to five years unless the governing body authorizes longer.

A 1986 statement by the Government Finance Officers Association says over-collateralization, commonly called haircuts, or marking-to-market practices should be mandatory procedures for repurchase agreements.

The table collects those statutory terms.

These are the general public-fund investment statutes, and a bond fund can sit under different authority: under California Government Code §53601(m), money held by a trustee or fiscal agent and pledged to an issue may follow the indenture instead of the §53601(j) repo limits, and whether a state's paragraph reaches a particular fund is a bond counsel question.

Who holds the collateral in a bond-proceeds repo?

The statutes that address custody take it away from the provider: New Jersey permits local-unit repurchase agreements only when custody of the collateral is transferred to a third party, Ohio requires securities acquired under a repo to go to a qualified trustee, and Colorado requires title or a perfected security interest to be transferred with delivery versus payment to a custodian.

The Government Finance Officers Association's 1986 statement reaches the same design from the risk side, saying delivery or safekeeping of the underlying securities with the purchaser's custodian significantly reduces risk.

New Jersey adds a sourcing condition: the underlying securities must be U.S. obligations, agency obligations of up to 397 days, or New Jersey local obligations of 397 days or less, bought through a public depository as that term is defined in the Governmental Unit Deposit Protection Act.

Counterparty rules are the other half of the credit design: Texas requires placement through a primary government securities dealer or a financial institution doing business in Texas, and Georgia's bond-proceeds statute, O.C.G.A. §36-82-7(7), lists repurchase agreements among the arrangements it contemplates when the counterparty is a bank or trust company with at least $50 million in capital and surplus, a primary dealer with at least $50 million in capital that reports to, trades with and is recognized by the Federal Reserve Bank of New York, or a registered bank holding company.

In the tri-party repo market, the Federal Reserve researchers describe clearing banks that settle the trade and provide collateral management services: daily revaluation of assets, daily remargining of collateral, and allocation of the borrower's collateral to its lenders.

The collateral, margin and custody mechanics for bond-proceeds repos have a page of their own at repo collateral and margin.

How are valuation, margin and substitution handled?

The statutes set the marking frequency: Ohio marks to market daily, Colorado marks at least weekly, and California values the underlying securities at least quarterly with any shortfall against the 102% level restored by the next business day.

Daily revaluation and daily remargining are also the clearing-bank services the Federal Reserve researchers describe in the tri-party market.

For the agreement itself, the 1986 Government Finance Officers Association statement recommends master repurchase agreements and says governments using the PSA prototype agreement should add provisions on delivery, substitution, margin maintenance, margin amounts, seller representations and governing law.

The statutes above set the minimum collateral level and the marking frequency, and the substitution, margin maintenance and margin amount provisions on GFOA's list are where the rest of the mechanics are settled in the agreement documents.

How do withdrawals work in a full-flex repo?

The withdrawal provisions are negotiated terms of the agreement, and in Georgia, O.C.G.A. §36-82-7(7) requires each arrangement it lists, including repurchase agreements, to permit the money to be available for use at the time provided with respect to the investment or reinvestment of the money.

New York General Municipal Law §11(3) treats obligations purchased under a repurchase agreement as payable, for purposes of that paragraph, on the date the seller is scheduled to repurchase them.

At the market level, the SEC describes these products as typically tailored to municipalities' specific collateral and spend-down needs.

Classification follows the agreement's terms: the arbitrage definition of a guaranteed investment contract reaches nonpurpose investments that have specifically negotiated withdrawal or reinvestment provisions and a specifically negotiated interest rate, so a flex repo's reporting treatment depends on how the agreement is written.

Form 8038-T asks, at line 30, whether gross proceeds were invested in a guaranteed investment contract and, if so, the provider's name and the term of the GIC to the nearest tenth of a year.

Whether a particular full-flex repo belongs on that line is a question for tax counsel.

When does a full-flex repo make sense instead of a GIC?

Neither structure wins in the abstract: a repo is a sale of securities combined with an agreement to repurchase them, while the arbitrage definition of a guaranteed investment contract turns on specifically negotiated rate and withdrawal terms, and which structure fits an issue depends on its permitted investments, its draw schedule and the determinations of bond counsel and tax counsel.

Credit support is where the comparison becomes concrete, because a repo stands on its collateral, custody and marking terms, while a guaranteed investment contract stands on the provider and any guarantor behind the agreement.

The guarantor route brings its own mechanics: Ambac's 2008 Form 10-K reported that its downgrades triggered cure provisions in nearly all of its investment agreements, with remedies that included collateral posting, termination of the contract, or the designation of a replacement guarantor, and most triggers keyed to the lower of the Moody's or S&P rating.

That filing describes one provider's contracts in one year, not market-standard terms, but it shows the downgrade mechanics that sit alongside a guaranteed investment contract's rate.

How a provider's downgrade risk is handled is the subject of the GIC credit protection page, and the fuller head-to-head comparison is at GIC vs flex repo.

Whichever structure an issue pursues, the same SEC litigation release that describes these products says the most common way to establish fair market value is competitive bidding run by bidding agents.

mGIC is an independent, SEC-registered municipal advisor and Bidding Agent that sells none of the products it evaluates, and its fee is paid by the winning provider rather than the issuer.

To have mGIC bid it, or to ask for a no-obligation reinvestment review of a fund already invested, the contact page has the details.

Final determinations about what a fund may hold, and about how a flex repo is classified, belong to bond counsel and tax counsel.

Last updated 2026-10-06.

This page is general educational information about municipal finance and federal and state rules as of the date shown. It is not legal, tax or investment advice, and it is not a recommendation about any particular investment. Product availability, legality and suitability depend on the issuer, jurisdiction, governing documents and transaction-specific facts. Final legal and tax determinations remain with the issuer's bond counsel, tax counsel and other advisors.