(a) Beginning January 1, 2013, the commission shall allocate construction support costs for a project in the state transportation improvement program at the time of allocation of construction capital costs.

(b) The commission shall require a supplemental project allocation request for a project that experiences construction support costs equal to or greater than 120 percent of the amount originally allocated.

(Added by Stats. 2012, Ch. 272, Sec. 4. (SB 1102) Effective January 1, 2013.)