; and . 204. Foreign language maintenance incentive program The Secretary of State is authorized to establish and implement an incentive program to encourage members of the Foreign Service who possess language proficiency in a qualifying list of languages, as determined by the Secretary, to maintain critical foreign language skills. Not later than 90 days after the date of the enactment of this Act, the Secretary of State shall submit to the appropriate committees a report detailing a plan to implement the program, including resource requirements. III Promoting A Professional Diplomatic Ser­vice 301. Limitation of certain key positions to career diplomats (a) Director General of the Foreign Service Section 208 of the Foreign Service Act of 1980 ( 22 U.S.C. 3928 ) is amended, in the first sentence, by striking current or former career member of the Foreign Service and inserting current career member of the Senior Foreign Service who has served at least once as a chief of mission . (b) Director of Human Resources (1) In general Chapter 2 of the Foreign Service Act of 1980 ( 22 U.S.C. 3921 et seq.) is amended by inserting after section 208 the following new section: 208A. Director of Human Resources The Secretary shall appoint a Director of Human Resources, who shall be a current career member of the Senior Foreign Service who has served at least once as a chief of mission. The Director should assist the Secretary of State in the management of the human resources matters of the Department of State and perform such functions as the Secretary of State may prescribe. . (2) Clerical amendment The table of contents in section 2 of the Foreign Service Act of 1980 ( Public Law 96–465