; (ii) officers or agents of U.S. Customs and Border Protection; and (iii) any individual designated to perform immigration enforcement functions pursuant to subsection (g). (B) While carrying out an enforcement action at a protected area, officers and agents referred to in subparagraph (A) shall make every effort— (i) to limit the time spent at the protected area; (ii) to limit the enforcement action at the protected area to the person or persons for whom prior approval was obtained; and (iii) to conduct themselves discreetly. (C) If, while carrying out an enforcement action that is not initiated at or focused on a protected area, officers or agents are led to a protected area, and no exigent circumstance and prior approval with respect to the protected area exists, such officers or agents shall— (i) cease before taking any further enforcement action; (ii) conduct themselves in a discreet manner; (iii) maintain surveillance; and (iv) immediately consult their supervisor in order to determine whether such enforcement action should be discontinued. (D) The limitations under this paragraph shall not apply to the transportation of an individual apprehended at or near a land or sea border to a hospital or health care provider for the purpose of providing medical care to such individual. (4) (A) Each official specified in subparagraph (B) shall ensure that the employees under the supervision of that official receive annual training on compliance with— (i) the requirements under this subsection in enforcement actions at or focused on protected areas and enforcement actions that lead officers or agents to a protected area; and (ii) the requirements under section 239 of this Act and section 384 of the Illegal Immigration Reform and Immigrant Responsibility Act of 1996 ( 8 U.S.C. 1367 ). (B) The officials specified in this subparagraph are— (i) the Chief Counsel of U.S. Immigration and Customs Enforcement; (ii) the Field Office Directors of U.S. Immigration and Customs Enforcement