Not later than May 1, 1979, the President shall submit to the Congress, and publish in the Federal Register, regulations establishing a unified personnel system for all employees of the agency primarily responsible for administering part I of the Foreign Assistance Act of 1961 [
22 U.S.C.
2151 et seq.]. In preparing such regulations, the President shall keep the appropriate committees of the Congress fully and currently informed, and shall consult with them on a regular basis, concerning the nature of the unified personnel system to be established.