Initial Service Period [Administrative Personnel] Law and Legal Definition

According to 5 CFR 9701.603 [Title 5 -- Administrative Personnel; Chapter XCVII -- Department of Homeland Security Human Resources Management System (Department of Homeland Security -- Office of Personnel Management); Part 9701 -- Department of Homeland Security Human Resources Management System; Subpart F -- Adverse Actions General], Initial service period (ISP) means “the 1 to 2 years employees must serve after selection (on or after the date this subpart becomes applicable, as determined under § 9701.102(b)) for a designated DHS position in the competitive service for the purpose of providing an employee the opportunity to demonstrate competencies in a specific occupation.”