The head of any department, agency, or independent establishment of the executive branch of the Government may detail, from time to time, employees of such department, agency, or establishment to the White House Office, the Executive Residence at the White House, the Office of the Vice President, the Domestic Policy Staff, and the Office of Administration. Any such office to which an employee has been detailed for service to such office shall reimburse the detailing department, agency, or establishment
(a) (1) Appellant may file a single request for rehearing within two months of the date of the original decision of the Board. No request for rehearing from a decision on rehearing will be permitted, unless the rehearing decision so modified the original decision as to become, in effect, a new decision, and the Board states that a second request for rehearing would be permitted. The request for rehearing must state with particularity the points believed to have been misapprehended or overlooked by