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A grace period is the set number of days a bond issuer is allowed to make a late payment or fix a covenant breach before the lapse becomes an event of default.

What a grace period means

A bond indenture lists the situations that count as an event of default — a missed coupon, unpaid principal, a broken covenant, bankruptcy. But most of those triggers are not instant. The contract gives the issuer a short window, the grace period (also called a cure period), to put things right. Only if the deadline passes without a fix does the breach ripen into a full event of default that lets bondholders demand early repayment.

The length depends on what went wrong. Market practice in U.S. and European corporate indentures is fairly standard: a 30-day grace period for a missed interest payment; usually no grace period, or a very short one, for principal due at maturity or on redemption; and a 60-day cure period for most other covenant breaches, with the clock typically starting only after the trustee or holders of at least 25% of the bonds deliver written notice. Some indentures stretch covenant cure periods to 90 days.

A grace period is not forgiveness. Interest continues to accrue on the unpaid amount, the missed payment is still a coupon payment in arrears, and rating agencies may treat a payment that slips into the grace period as a sign of stress even before the deadline expires.

Why a grace period matters for bond investors

When a company announces it has “elected to use the 30-day grace period” on a coupon, the bond has entered a critical stretch. Here is how to read it.

• It is a warning, not yet a default. Legally the issuer has not defaulted until the period ends. In practice, invoking the grace period often signals liquidity trouble or a negotiation with creditors.
• Prices move first. Bonds frequently drop sharply on the announcement, well before any formal default. Rating agencies may cut the issuer to CC or C and only assign D (or SD) once the period lapses unpaid.
• Acceleration follows. If the grace period expires, the trustee or holders of 25% or more of the outstanding bonds can usually declare the principal immediately due. That can also set off cross-default clauses in the issuer’s other debt.
• Check your own bond’s terms. Grace periods vary by issuer and jurisdiction. Sovereign bonds, for instance, can carry 30-day interest grace periods too, but the remedies differ from corporate paper.

Example

Coupon due: 15 September → Grace period: 30 days → Deadline: 15 October
Paid by 15 October = no event of default (coupon received late, interest still owed for the delay)
Unpaid on 16 October = event of default → trustee or ≥25% of holders may accelerate the bonds

Suppose an issuer misses its 15 September semi-annual coupon and announces it will use the 30-day grace period to complete a refinancing. If the cash arrives on 10 October, bondholders are made whole and no event of default is declared. If it does not, the bonds are in payment default from 16 October, and holders can move to accelerate — the point at which restructuring or bankruptcy talks usually begin.

Related terms

• Default
• Event of default
• Cross-default
• Coupon payment
• Bond coupon
• Covenant
• Recovery rate

Sources: Western Asset Management, Introduction to High-Yield Bond Covenants; Skadden, High-Yield Bonds: An Introduction to Material Covenants; SIFMA / The Bond Market Association, Practice Guidelines for Trading in Distressed Bonds.

This definition is for general information only and is not investment advice. Bond investing involves risk, including possible loss of principal. Updated 31 August 2026.