Section 20533 Of Article 3. Contracting Agency Financial Obligations From California Government Code >> Division 5. >> Title 2. >> Part 3. >> Chapter 5. >> Article 3.

. The employer contribution rate adopted under this part, or because of amendments to the contract or to this part, apply to all compensation upon the basis of which member's contributions are deducted after those employer contribution rates became or become effective. If correction of the amount of compensation reported is required, the employer contributions shall be computed using the employer contribution rate in effect at the time that the compensation requiring adjustment was earned.