Regular tour of duty,
Regular tour of duty, with respect to a Border Patrol agent covered by 5 U.S.C. 5550 and subpart P of this part, means the basic 40-hour workweek plus any regularly scheduled overtime work hours that the agent is assigned to work as part of an officially established 5-day weekly work schedule generally consisting of -
(1) 10-hour workdays (including 2 overtime hours each workday) in exchange for a 25-percent overtime supplement (Level 1); or
(2) 9-hour workdays (including 1 overtime hour each workday) in exchange for a 12.5-percent overtime supplement (Level 2).