(1) In the case of an electronic bid or proposal, such a bid or proposal may be withdrawn or modified through electronic means of communication until the deadline for submission of such a bid or proposal.
(2) If a bidder or proponent who submits a bid or proposal other than an electronic bid or proposal referred to in sub-rule (1) wishes to withdraw or modify the bid or proposal submitted by him or her, he or she shall, in advance of twenty four hours of the expiry of the deadline specified for submission of bids or proposals, submit an application for withdrawal or modification thereof to the concerned
public entity in a sealed envelope by specifying the following matters in the outer part of envelope:
(a) Subject of the bid or proposal,
(b) Name and address of the public entity or authority inviting bids or proposals,
(c) Matter that the bid or proposal for consultancy service is amended or a request is made for withdrawal, and
(d) Matter that it has to be opened only on the day and at the time for opening bids or proposals.
(3) Except where the bid already registered has to be modified as a result of modification made by the public entity itself, the application referred to in sub-rule (2) cannot be made more than once.
(4) The application referred to in sub-rule (2) and the bid or proposal once modified cannot be withdrawn.
(5) If a bidder or proponent is to withdraw or modify the bid or proposal submitted by him or her, the bidder or proponent may withdraw or modify the bid or proposal only through the same medium as that of submission of the bid or proposal, and no application submitted through different medium shall be entertained.
(6) If sealed envelopes referred to in sub-rule (1) are received, the concerned public entity shall keep such envelopes safely pursuant to Rule 57.