Cal. Ins. Code § 1370.8
Any exchange exempted at any time from the provisions of Section 1370. 2 shall irrespective of such exemption be subject to the provisions of this section. No amended certificate of authority adding classes of insurance shall be issued to the attorney in fact of any such exchange on or after October 1, 1961, unless at the time of the amendment the exchange has a surplus equal in the aggregate to the sum of the surplus amount it was required to maintain by the provisions of this chapter (commencing with Section 1280) as the same were in effect immediately prior to October 1, 1961, plus the aggregate amount of additional minimum amount of capital and surplus which, at the time of such amendment, would be required of a capital stock insurer by the provisions of this code in order to add the same classes of insurance to its certificate of authority if it were authorized at the time of the amendment to transact the same classes of insurance as those which the attorney in fact of such reciprocal is authorized to transact.
Ca. Ins. Code § 1370.8