If you are currently, or have been within the last 5 years, a political Schedule A, Schedule C, Non-career SES or Presidential Appointee employee in the Executive Branch, you must disclose this information to the Human Resources Office by providing a copy of your applicable SF-50, along with a statement that provides the following information regarding your most recent political appointment: Position title; Type of appointment (Schedule A, Schedule C, Non-career SES, or Presidential Appointee); Agency; and. Specialized Experience is defined as experience in a legal environment independently performing routine litigation support assignments in support of discovery, which require knowledge of a variety of methods and software applications to perform the processing, review, and/or production of commonly found electronically stored information (ESI).