Cal. Health & Safety Code § 1792.2
(a) A provider shall satisfy its liquid reserve obligation with qualifying assets. Qualifying assets are:
(5) Lines of credit and letters of credit that meet the requirements of this paragraph. The line of credit or letter of credit shall be issued by a state or federally chartered financial institution approved by the department or whose long-term debt is rated in the top three long-term debt rating categories by either Moody’s Investors Service, Standard and Poor’s Corporation, or a recognized securities rating agency acceptable to the department. The line of credit or letter of credit shall obligate the financial institution to furnish credit to the provider.
(A) The terms of the line of credit or letter of credit shall at a minimum provide both of the following:
(6) For purposes of satisfying all or a portion of a provider’s debt service reserve requirement described in Section 1792.3, restricted assets that are segregated or held in a separate account or escrow as a debt service reserve under the terms of the provider’s long-term debt instruments are qualifying assets, subject to all of the following conditions:
(7) For purposes of satisfying all or a portion of a provider’s operating expense reserve requirement described in Section 1792.4, restricted assets that are segregated or held in a separate account or escrow as a reserve for operating expenses, are qualifying assets subject to all of the following conditions: