; and (ii) notwithstanding section 210(b)(4) of the Flood Control Act of 1968 ( 16 U.S.C. 460d–3(b)(4) ), shall use any retained amount for operation, maintenance, and management activities related to recreation and natural resources at the water resource development project at which the fee is collected. (B) Requirements The use by a non-Federal public entity or private nonprofit entity of user fees collected under paragraph (1) shall— (i) be limited to activities covered by an agreement between the entity and the Secretary; (ii) remain subject to the direction and oversight of the Secretary; and (iii) not affect any existing third party property interests, leases, or agreements with the Secretary. (3) Terms and conditions The authority of a non-Federal public entity or private nonprofit entity under this subsection shall be subject to such terms and conditions as the Secretary determines necessary to protect the interests of the United States. ; and (6) in subsection (e) (as so redesignated), in the first sentence, by striking non-Federal public and private entities and inserting non-Federal public entities, private nonprofit entities, and other private entities . 3. Retention of recreation fees (a) In general Section 210(b) of the Flood Control Act of 1968 ( 16 U.S.C. 460d–3(b) ) is amended— (1) by striking paragraph (4) and inserting the following: (4) Deposit into Treasury account All fees collected under this subsection shall— (A) be deposited in a special account in the Treasury; and (B) be available for use, without further appropriation, for the operation and maintenance of recreation sites and facilities under the jurisdiction of the Secretary of the Army, subject to the condition that not less than 80 percent of fees collected at a specific recreation site are utilized at that site.