; and (ii) technical support to assist affected businesses, institutions, and organizations as is reasonably necessary for those affected entities to comply with this section. (b) Effective dates The prohibition under subsection (a)(1)(A) shall take effect on June 30, 2026, and the prohibition under subsection (a)(1)(B) shall take effect on June 30, 2027. (c) Waiver authority (1) In general The Secretary may waive the requirements under subsection (a) with respect to an entity that requests such a waiver if the entity seeking the waiver— (A) provides to the Secretary a compelling justification for the additional time to implement the requirements under such subsection, as determined by the Secretary of Defense; and (B) provides to the Secretary a phase-out plan to eliminate goods, services, or technology produced or developed by an entity described in subsection (a)(2) from the systems of the entity. (2) Duration A waiver granted under paragraph (1) may remain in effect until the date on which the Secretary determines that commercially viable providers exist outside of the People's Republic of China that can and are willing to provide the Department of Defense with quality goods and services in the quantity demanded. (3) Delegation The Secretary may designate the authority under this section only to— (A) the service acquisition executive of the military department (as such terms are defined in section 101(a) of title 10, United States Code) concerned