For issuers of tax-exempt bonds, ongoing arbitrage compliance involves several requirements that can continue long after bonds are issued. Two terms that frequently come up during this process are arbitrage rebate and yield restriction.
While the two requirements are closely related, they are not the same. Understanding the difference between arbitrage rebate and yield restriction, and recognizing when each may apply, is an important part of managing ongoing tax-exempt bond compliance.
Both requirements generally address how bond proceeds are invested and the amount of investment earnings that may be retained. However, they approach those earnings differently and may apply at different points during the life of a bond issue.
What Is Arbitrage Rebate?
Arbitrage rebate generally refers to the requirement to determine whether certain investment earnings on tax-exempt bond proceeds exceed the amount permitted under applicable federal tax requirements.
Tax-exempt bond proceeds may be invested while they are waiting to be spent for their intended purpose. Depending on the investment earnings, timing and applicable requirements, those proceeds can potentially generate earnings above the bond yield.
When that occurs, a portion of the excess earnings may ultimately need to be paid, or rebated, to the federal government.
Rebate requirements do not necessarily mean that an issuer must immediately remit investment earnings whenever the investment yield exceeds the bond yield. Rebate calculations generally evaluate investment activity over specified computation periods while taking into account applicable federal tax requirements.
Because calculation and reporting requirements can vary based on the specific bond issue, issuers should work with an arbitrage compliance professional to understand the requirements and applicable deadlines for their bonds. Learn more about five-year arbitrage rebate reporting and key compliance milestones.
Certain bond issues may also qualify for a spending exception if proceeds are spent within specific timeframes and other applicable requirements are satisfied. Common exceptions include the 6-month, 18-month and 2-year spending exceptions. Whether an exception applies depends on the facts and circumstances of the particular bond issue. Learn more about spending exceptions.
What Is Yield Restriction?
Yield restriction is another component of federal arbitrage compliance, but it operates differently from arbitrage rebate. Rather than focusing primarily on calculating excess earnings for potential rebate, yield restriction generally limits the yield that may be earned on certain investments purchased with tax-exempt bond proceeds.
Federal tax rules provide temporary periods during which certain proceeds may generally be invested without yield restriction. The length and availability of these temporary periods can depend on the type of proceeds and how they are being used. Once an applicable temporary period expires, remaining proceeds may become subject to yield restriction.
If investments associated with those proceeds earn more than the permitted yield, the issuer may need to address the excess through a yield reduction payment or another applicable method.
In some situations, an interim yield restriction calculation can help issuers evaluate whether yield restriction requirements have become applicable and determine whether a yield reduction payment may be necessary. Completing an interim calculation can provide valuable insight and help issuers make informed decisions as bond proceeds continue to be spent or invested.
This is one reason monitoring unspent bond proceeds throughout the life of an issue can be important. As temporary periods expire and bond proceeds remain unspent, additional yield restriction requirements may become applicable.
Arbitrage Rebate vs. Yield Restriction: The Key Difference
Although arbitrage rebate and yield restriction both relate to investment earnings on tax-exempt bond proceeds, the primary distinction is how the two requirements address those earnings.
Arbitrage rebate generally looks at whether excess arbitrage earnings must be paid to the federal government.
Yield restriction generally limits the investment yield that may be earned on certain proceeds once applicable restrictions take effect.
Because the rules operate differently, determining that a bond issue satisfies one requirement does not necessarily mean that the other has also been addressed.
For example, qualifying for a spending exception may eliminate a rebate liability for certain proceeds, but it does not automatically eliminate every potential yield restriction consideration. That distinction can be particularly important when proceeds remain unspent beyond an applicable temporary period.
Can a Bond Issue Be Subject to Both?
Yes. Depending on the circumstances, a tax-exempt bond issue may have both arbitrage rebate and yield restriction considerations. The requirements may also become relevant at different times.
During the life of a bond issue, expenditure activity, investment earnings and the passage of applicable temporary periods may affect which arbitrage requirements apply. As the issue matures, remaining proceeds, reserve funds or other accounts may require additional analysis to determine whether yield restriction applies.
Factors that can affect an issue’s arbitrage compliance requirements include:
- The type and purpose of the bond issue
- When and how bond proceeds are spent
- The investment earnings generated by those proceeds
- Applicable temporary periods
- Whether a spending exception has been satisfied
- The existence of reserve, replacement or other funds
- The length of time proceeds remain outstanding or unspent
Because every financing is different, arbitrage compliance should be evaluated based on the specific facts associated with each bond issue.
Why Ongoing Arbitrage Compliance Matters
Arbitrage requirements can extend for years after a bond issue closes. During that time, proceeds may be spent, investments may change and different compliance requirements may become applicable.
Regular review can help issuers identify important dates and potential issues before they become more difficult to address.
For many issuers, this includes maintaining accurate investment and expenditure records, monitoring the use of bond proceeds, evaluating applicable spending exceptions and completing required arbitrage rebate or yield restriction calculations.
It is also important to remember that the absence of a payment does not necessarily mean that no calculation or review is required. In some circumstances, calculations may still be necessary to document compliance even when no amount is ultimately owed.
Understanding Your Bond Issue’s Requirements
Although arbitrage rebate and yield restriction are distinct requirements, both play an important role in maintaining compliance for tax-exempt bond issues. Knowing which rules apply and when they apply requires reviewing the specific structure, expenditures, investments and timeline of each bond issue.
Arbitrage Compliance Specialists (ACS) works with issuers and their financing teams to evaluate arbitrage rebate and yield restriction requirements throughout the life of a bond issue. Our team provides independent calculations and ongoing compliance support designed to help issuers understand their requirements, meet applicable deadlines and maintain appropriate records.
If you have questions about an upcoming arbitrage rebate calculation, spending exceptions or yield restriction requirements, contact ACS to discuss your bond issue and ongoing arbitrage compliance needs.