Title 13, Chapter 10, Section 23
(a) As used in this Code section, the term:
(1) "Affiliated corporation" means, with respect to any
corporation, any other corporation related thereto:
(A) As a parent corporation;
(B) As a subsidiary corporation;
(C) As a sister corporation;
(D) By common ownership or control; or
(E) By control of one corporation by the other.
(2) The term "bid" shall include proposals.
(b) In any case where two or more affiliated corporations bid for a
contract under this Code section and any one or more of such
affiliated corporations subsequently rescind or revoke their bid or
bids in favor of another such affiliated corporation whose bid is
for a higher amount and the contract is awarded at such higher
amount to such other affiliated corporation, then the bid bond,
proposal guaranty, or other security otherwise required under this
article of each affiliated corporation rescinding or revoking its
bid shall be forfeited.