(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) Is aware of the specific restrictions pertinent to his or her employment; and

(2) Is in compliance with such restrictions.

(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.

(c) Signed certificates of disclaimer shall be filed and maintained by the employee's deputy ethics counselor.