; (2) determining which senior positions within such agency or instrumentality have the authority to separate an at-will employee from service; and (3) ensuring adequate oversight is in place to ensure that any separation of an at-will employee is not a result of discrimination or other violation of any law listed under subsection (b). (f) Regulations Not later than 180 days after the date of enactment of this section, each agency or instrumentality of the Federal Government to which this section applies shall develop operating standards consistent with the requirements of this section, including standards with respect to— (1) notifying any employee hired on or after the date specified in subsection (a) that such employee is an at-will employee; (2) determining which senior positions within such agency or instrumentality have the authority to separate an at-will employee from service