California Code, Labor Code - LAB § 6451

(a) A specification of the standard or portion thereof from which the employer seeks a variance.

(b) A representation by the employer, supported by representations from qualified persons having firsthand knowledge of the facts represented, that he is unable to comply with the standard or portion thereof and a detailed statement of the reasons therefor.

(c) A statement of the steps he has taken and will take, with specific dates, to protect employees against the hazard covered by the standard.

(d) A statement of when he expects to be able to comply with the standard and what steps he has taken and what steps he will take, with dates specified, to come into compliance with the standard.

(e) A certification that he has informed his employees of the application by giving a copy thereof to their authorized representative, posting a statement giving a summary of the application and specifying where a copy may be examined at the place or places where notices to employees are normally posted, and by other appropriate means. A description of how employees have been informed shall be contained in the certification. The information to employees shall also inform them of their right to petition the division for a hearing.