In this subpart: Agency means an Executive agency, as defined in 5 U.S.C. 105.

Employee means an individual employed in or under an agency who is appointed to a position with a scheduled tour of duty.

Head of agency means the head of an agency or an official who has been delegated the authority to act for the head of the agency in the matter concerned.

Newly appointed means—

The first appointment, regardless of tenure, as an employee of the Federal Government;

A new appointment following a break in service of at least 90 days; or

A permanent appointment in the competitive service following termination of employment in an Internship Program (as described in 5 CFR part 362, subpart B), provided such employee—

Was separated from the service, in a nonpay status, or a combination of both during the entire 90-day period immediately before the permanent appointment; and

Has fully repaid any former advance in pay under § 550.205.

Offset or setoff means repayment in installments of an advance in pay by payroll deductions or an administrative offset under subpart K of this part to collect a debt under 5 U.S.C. 5514 from an indebted Government employee.

Pay period means the pay period established by an agency for an employee under 5 U.S.C. 5504.

Rate of basic pay means the rate of pay fixed by law or administrative action for the position held by an employee, excluding additional pay of any kind except the following, as applicable:

Any locality payment under 5 CFR part 531, subpart F; special rate supplement under 5 CFR part 530, subpart C; or similar payment or supplement under other legal authority;

Annual premium pay under 5 U.S.C. 5545(c) or availability pay under 5 U.S.C. 5545a;

Straight-time pay for regular overtime hours for firefighters under 5 U.S.C. 5545b (as provided in § 550.1305(b));

Night differential for prevailing rate employees under 5 U.S.C. 5343(f); and

An overtime supplement for regularly scheduled overtime within a Border Patrol agent's regular tour of duty under 5 U.S.C. 5550 (as allowed under 5 U.S.C. 5550(d)(1)(B)).