; and (B) make such expanded training mandatory for— (i) individuals in senior and supervisory positions; and (ii) individuals having responsibilities related to recruitment, retention, or promotion of employees. (2) Best practices Each agency shall give special attention to ensuring the continuous incorporation of research-based best practices in training provided under this subsection. 405. Examination and oral assessment for the Foreign Service (a) Sense of Congress It is the sense of Congress that the Department should offer both the Foreign Service written examination and oral assessment in more locations throughout the United States. Doing so would ease the financial burden on potential candidates who do not currently reside in and must travel at their own expense to one of the few locations where these assessments are offered. (b) Foreign Service examinations Section 301(b) of the Foreign Service Act of 1980 ( 22 U.S.C. 3941 ) is amended— (1) by striking The Secretary and inserting: (1) The Secretary