# 28.106-2 Substitution of surety bonds.

1. (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.

2. (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.