S.C. Code Ann. § 11-35-1520
(9) Tie Bids. If two or more bidders are tied in price while otherwise meeting all of the required conditions, awards are determined in the following order of priority:
(11) Request for Qualifications.
(13) Minor Informalities and Irregularities in Bids. A minor informality or irregularity is one which is merely a matter of form or is some immaterial variation from the exact requirements of the invitation for bids having no effect or merely a trivial or negligible effect on total bid price, quality, quantity, or delivery of the supplies or performance of the contract, and the correction or waiver of which would not be prejudicial to bidders. The procurement officer shall either give the bidder an opportunity to cure any deficiency resulting from a minor informality or irregularity in a bid or waive any such deficiency when it is to the advantage of the State. Such communication or determination shall be in writing. Examples of minor informalities or irregularities include, but are not limited to:
(d) failure of a bidder to acknowledge receipt of an amendment to a solicitation, but only if: