The Contractor shall not accept credit card orders or payments. Acknowledgement of all issued addenda must be indicated on the bid form in the appropriate spaces.The Bid shall contain an acknowledgment of receipt of all Addenda (the numbers of which shall be filled in on the Bid form). 6.6. Signed acknowledgment of addenda must be returned to the. Purchasing Division prior to the bid opening. P.M. on the Acceptance Date of the bid in order to be considered. Acknowledgement of all issued addenda shall be indicated on the bid form in the appropriate spaces. The bid fails to acknowledge receipt of or comply with any IFB amendment(s). Vendor should acknowledge receipt of all addenda. Forms required in the IFB do not contain complete information and the bid may be considered non-responsive.