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Investing Basics

Impaired Class

An Impaired Class is a Chapter 11 class of claims or interests whose legal, equitable or contractual rights are altered by the plan in a manner that does not qualify as unimpaired treatment under Bankruptcy Code Section 1124.

Updated 2026-09-01 · Foundation

Section 1124 focuses on legal rights

The statute asks whether the plan leaves the class's legal, equitable and contractual rights unaltered or provides qualifying cure-and-reinstatement treatment.

A haircut is clearly impairing, but much smaller legal modifications can also create impairment.

Impairment usually creates voting rights

Under Section 1126, holders of allowed claims or interests in an impaired class generally may vote to accept or reject the plan.

That vote becomes central to consensual confirmation and, if a class rejects, possible cramdown.

No-recovery impaired classes can be deemed to reject

Section 1126(g) treats a class that receives or retains no property under the plan as having rejected.

The debtor therefore does not need to solicit meaningless ballots from a class whose plan treatment is zero.

Impairment can exist even with a high estimated recovery

A secured lender receiving 100% of nominal principal over a different maturity and rate can still have altered contractual rights.

Impairment asks whether the rights changed, not whether the creditor is economically pleased.

Impairment and recovery should be displayed in separate columns

A plan summary might show:

ClassRecoveryImpaired?
Secured loan A100%Yes
Trade claims100%No
Unsecured notes45%Yes
Existing equity0%Yes

The first two rows illustrate why recovery percentage does not answer the impairment question.

The secured loan can receive full estimated value but still be impaired because maturity, rate or other rights change. Trade creditors can also receive full value while remaining legally unaltered and therefore unimpaired.

For investors, this separation matters because impairment drives voting rights while recovery drives economics.

A clean restructuring model should never collapse those two questions into one field.

Common mistakes

Equating impairment with financial loss Legal modification is the key.

Assuming every impaired class votes Zero-recovery classes can be deemed to reject.

Assuming a high recovery makes a class unimpaired The plan can still alter contractual rights.

Example

A term-loan class is owed $500 million and the plan converts half the claim into new debt with a later maturity while giving the rest in reorganized equity. Because the plan changes the lenders' contractual rights, the class is impaired even if its estimated recovery is high.

Example

A term-loan class is owed $500 million and the plan converts half the claim into new debt with a later maturity while giving the rest in reorganized equity. Because the plan changes the lenders' contractual rights, the class is impaired even if its estimated recovery is high.

Professional note

Ask what right the plan changes. Recovery percentage alone does not determine impairment; a creditor can receive substantial value and still be impaired.

Related terms

  • Recovery Rate

    Recovery Rate is the value a creditor receives or is expected to receive after a default, restructuring or bankruptcy, expressed as a percentage of the creditor's allowed or affected claim.

  • Cramdown

    Cramdown is the Chapter 11 mechanism under Bankruptcy Code Section 1129(b) that can allow a court to confirm a plan despite rejection by an impaired class, if the statutory confirmation requirements are satisfied and the plan does not discriminate unfairly and is fair and equitable with respect to the rejecting class.

  • Unsecured Claim

    An Unsecured Claim is a bankruptcy claim that is not supported by a valid collateral interest for the relevant amount, including ordinary unsecured obligations and the deficiency portion of an undersecured creditor's claim.

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