48 CFR 28.103-1 - General.
(a) Generally, agencies shall not require performance and payment bonds for other than construction contracts. However, performance and payment bonds may be used as permitted in 28.103-2 and 28.103-3.
(b) The contractor shall furnish all bonds before receiving a notice to proceed with the work.
(c) No bond shall be required after the contract has been awarded if it was not specifically required in the contract, except as may be determined necessary for a contract modification.