The contractual document containing restrictive covenants that limit the borrower's activities while a bond is outstanding is called:

A) a debenture.
B) an indenture.
C) a sinking fund.
D) Both a and b
E) All of the above

Restrictive Covenants

Clauses in contracts that impose limitations or conditions on the actions of parties, commonly found in lending agreements to protect the lender.

Indenture

A formal legal agreement, contract, or document, especially one relating to a loan or bond issue.

Debenture

An unsecured bond.