; (3) in subsection (c)— (A) by striking The Secretary and inserting The head of a participating entity ; and (B) by striking the Corps for training or housing Corps participants and inserting the 21CSC for training or housing Corpsmembers ; and (4) in subsection (d), by striking The Secretary and inserting The head of a participating entity . 6. Resource assistants Section 206 of the Public Lands Corps Act of 1993 ( 16 U.S.C. 1725 ) is amended— (1) in subsection (a)— (A) in the fourth sentence, by striking The Secretary and inserting the following: (D) Preference The head of a participating entity ; (B) in the third sentence, by striking The Secretary and inserting the following: (C) Selection The head of a participating entity ; (C) in the second sentence, by striking To be eligible and inserting the following: (B) Eligibility To be eligible ; and (D) by striking the first sentence and inserting the following: (A) In general The head of a participating entity may provide individual placements of resource assistants to carry out research or resource protection activities on behalf of the participating entity.