30 CFR § 553.21
How can I use self-insurance as OSFR evidence?
July 29, 2020
(a) If you use self-insurance to satisfy all or part of your obligation to demonstrate OSFR, you must annually pass either a net worth test under §553.25 or an unencumbered net asset test under §553.28.
(b) To establish the amount of self-insurance allowed, you must submit evidence of your net worth under §553.23 or evidence of your unencumbered assets under §553.26.
(c) You must identify a U.S. agent for service of process.