Cal. Business and Professions Code § 5072

(a) No persons shall engage in the practice of accountancy as a partnership unless the partnership is registered by the board. (b) A partnership, other than a limited partnership, may be registered by the board to engage in the practice of public accountancy provided it meets the following requirements: (1) At least one general partner shall hold a valid permit to practice as a certified public accountant, public accountant, or accountancy corporation, or shall be an applicant for a certificate as a certified public accountant under Sections 5087 and 5088, or the partnership shall be registered pursuant to subdivision (c) of Section 5096.12. (2) Each partner engaged within this state in the practice of public accountancy as defined by Section 5051 shall hold a valid permit to practice in this state or shall have applied for a certificate as a certified public accountant under Sections 5087 and 5088, except for a partner with practice privileges pursuant to Section 5096. (3) Each partner not engaged in the practice of public accountancy within this state shall be a certified public accountant in good standing of some state, except as permitted by Section 5079. (4) Each resident manager in charge of an office of the firm in this state shall be a licensee in good standing of this state, or shall have applied for a certificate as a certified public accountant under Sections 5087 and 5088.