A governmental body may establish policies or adopt rules permitting or requiring any of the following:

1. (1) The inclusion of clauses providing for adjustments in prices or time of performance.

2. (2) The inclusion of contract provisions dealing with either of the following:

   1. (A) The unilateral right of the governmental body to order, in writing either of the following:

      1. (i) Changes in the work within the scope of the contract.
      2. (ii) Temporary stopping of the work or delaying performance.
   2. (B) Variations occurring between estimated quantities of work in a contract and actual quantities.

As added by P.L.49-1997, SEC.1.