CA Bus & Prof Code Section 4999.4

(a)

Every registration issued to a telephone medical advice service shall expire 24 months after the initial date of issuance.

(b)

To renew an unexpired registration, the registrant shall, before the time at which the registration would otherwise expire, pay the renewal fee authorized by Section 4999.5.

(c)

An expired registration may be renewed at any time within three years after its expiration upon the filing of an application for renewal on a form prescribed by the bureau and the payment of all fees authorized by Section 4999.5. A registration that is not renewed within three years following its expiration shall not be renewed, restored, or reinstated thereafter, and the delinquent registration shall be canceled immediately upon expiration of the three-year period.