Section 105(a)(1), Part A, of the Domestic Volunteer Service Act of 1973, Pub. L. 93-113, 87 Stat. 398, authorizes the Director of ACTION to pay VISTA volunteers a stipend not to exceed $50 per month and a stipend not to exceed $75 a month in the case of VISTA volunteers who have served for at least a year and have been designated volunteer leaders. Section 105(a)(1) further provides that the selection of volunteer leaders shall be pursuant to standards, established in regulations which the Director shall prescribe, which shall be based upon the experience and special skills and the demonstrated leadership of such persons among volunteers.