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Office of Self Insurance Plans (OSIP)


Self Insurance Groups


The Office of Self Insurance Plans (OSIP) authorizes qualified employers to provide their own coverage for workers’ compensation liabilities. Small and medium-sized businesses have the option of joining with others in the same industry to self-insure their workers’ compensation liability as a group. All Self Insurance Groups (SIGs) must be approved by OSIP and are required to post a security deposit covering their actuarial determined liabilities. California has one of the largest self-insurance programs in the nation and has some of the strongest regulations designed to ensure the system protects both employers and employees.