(1) A procuring entity may include in the tendering document the requirement for a tender security or a tender securing declaration.
(2) A procuring entity may forfeit the tender security or, in case of a tender securing declaration, make a proposal to the Director for the suspension of the tenderer where —
(a) a tenderer seeks modification or withdrawal of a tender after the deadline for submission of the tender or during the period of validity of the tender;
(b) a tenderer refuses to accept a correction of an error in the tender;
(c) a successful tenderer fails to sign the public procurement contract in accordance with the terms set out in the tendering documents; or
(d) a successful tenderer fails to provide security for the performance of the public procurement contract if required to do so by the tendering documents.