43 CFR §20.403

1. (a)Each employee of the U.S. Geological Survey, Bureau of Land Management, Minerals Management Service, and Office of Surface Mining Reclamation and Enforcement shall sign a certificate of disclaimer upon entrance to or upon transfer to a position within any of these bureaus. The employee's signature will indicate that he or she:
   1. (1)Is aware of the specific restrictions pertinent to his or her employment; and
   2. (2)Is in compliance with such restrictions.
2. (b)If an employee is unable to sign the certificate, he or she must submit a statement of facts to the appropriate ethics counselor for review and appropriate action.
3. (c)Signed certificates of disclaimer shall be filed and maintained by the employee's deputy ethics counselor.