$387,000,000 for fiscal year 1986 and $387,000,000 for fiscal year 1987 for necessary operating expenses of the agency primarily responsible for administering subchapter I of this chapter, of which $21,750,000 for the fiscal year 1987 is authorized for the necessary operating expenses of the Office of the Inspector General of the Agency for International Development and the remaining amount for the fiscal year is authorized for other necessary operating expenses of that agency; and

such amounts as may be necessary for increases in salary, pay, retirement, and other employee benefits authorized by law, and for other nondiscretionary costs of such agency.