5 C.F.R. § 9701.609
(b) Contents of notice.
(c) Duty status during notice period. An employee will remain in a duty status in his or her regular position during the notice period. However, when the Department determines that the employee's continued presence in the workplace during the notice period may pose a threat to the employee or others, result in loss of or damage to Government property, or otherwise jeopardize legitimate Government interests, the Department may elect one or a combination of the following alternatives: