(a) Twelve positions fixed in relation to Senior Executive Service 
The Architect of the Capitol may fix the rate of basic pay for not more than 12 positions at a rate not to exceed the highest total rate of pay for the Senior Executive Service under subchapter VIII of chapter 53 of title 5 for the locality involved.

(b) Nine positions fixed in relation to General Schedule 
Effective beginning with any pay period beginning on or after August 14, 1991, the rate of basic pay for up to 9 positions under the jurisdiction of the Architect of the Capitol may be fixed at such rate as the Architect considers appropriate for each, not to exceed 135 percent of the minimum rate payable for grade GS15 of the General Schedule.

(c) Executive Project Directors 
The Architect of the Capitol may fix the rate of basic pay for not more than 4 positions for Executive Project Directors whose salary is payable from project funds, at a rate not to exceed 95 percent of the highest total rate of pay for the Senior Executive Service under subchapter VIII of chapter 53 of title 5 for the locality involved.