CA Bus & Prof Code Section 5550.5

Notwithstanding Section 30 of this code or Section 17520 of the Family Code, the board may accept for processing an application from an individual for an original or renewed license to practice architecture containing an individual tax identification number, or other appropriate identification number as determined by the board, in lieu of a social security number, if the individual is not eligible for a social security account number at the time of application and is not in noncompliance with a judgment or order for support pursuant to Section 17520 of the Family Code.