20 CFR §703.312

1. (a)Self-insurance authorizations will remain in effect for so long as the self-insurer complies with the requirements of the Act, the regulations in this part, and OWCP.
2. (b)A self-insurer who has secured its liability by depositing an indemnity bond with the Office will, on or about May 10 of each year, receive from the Office a form for executing a bond that will continue its self-insurance authorization. The submission of such bond, duly executed in the amount indicated by the Office, will be deemed a condition of the continuing authorization.