Utah Code § 63G-6a-704: Processing of proposals -- Changes to proposals not allowed.

(1) A procurement unit:

(a) shall accept proposals as provided in the request for proposals;

(b) may not open a proposal until after the deadline for submitting proposals; and

(c) may not disclose the contents of a proposal to the public or to another offeror, except as provided in Subsection 63G-2-305(6).

(2) A person who submits a proposal may not, after the deadline for submitting proposals, make a change to the proposal if the change is prejudicial to:

(a) the interest of the procurement unit; or

(b) fair competition.