April 8, 2008
The Merit Systems Protection Board, with the concurrence of the Office of Government Ethics (OGE), is adopting as final, without change, the interim MSPB rule that supplements the executive-branch-wide Standards of Ethical Conduct (Standards) issued by OGE and, with certain exceptions, requires MSPB employees to obtain approval before engaging in outside employment.
https://www.govinfo.gov/content/pkg/FR-2008-04-08/pdf/E8-7324.pdf