Federal Acquisition Regulation
Substitution of surety bonds
FAR 28.106-2
(a) A new surety bond covering all or part of the obligations on a bond previously approved may be substituted for the original bond if approved by the head of the contracting activity, or as otherwise specified in agency regulation. (b) When a new surety bond is approved, the contracting officer shall notify the principal and surety of the original bond of the effective date of the new bond.
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