Unemp. Ins. Code, § 13050

(a) Every employer or person required to deduct and withhold from an employee a tax under Section 986, 3260, or 13020, or who would have been required to deduct and withhold a tax under Section 13020 (determined without regard to Section 13025) if the employee had claimed no more than one withholding exemption, shall furnish to each employee in respect of the remuneration paid by the person to the employee during the calendar year, on or before January 31 of the succeeding year, or, if his or her employment is terminated before the close of the calendar year, on the day on which the last payment of remuneration is made, a written statement showing all of the following:

(1) The name of the person.

(2) The name of the employee, and his or her social security or identifying number if wages have been paid.

(3) The total amount of wages subject to personal income tax, as defined by Section 13009.5.

(4) The total amount deducted and withheld as tax under Section 13020.

(5) The total amount of worker contributions paid by the employee pursuant to Section 986.

(6) The total amount of worker contributions paid by the employee pursuant to Section 3260.

(7) The total amount of elective deferrals (within the meaning of Section 402(g)(3) of the Internal Revenue Code) and compensation deferred pursuant to Section 457 of the Internal Revenue Code.

(b) The statement required to be furnished pursuant to this section in respect of any remuneration shall be furnished at other times, shall contain other information, and shall be in a form, as the department may by authorized regulations prescribe.

(c) If, during any calendar year, any person makes a payment of third-party sick pay to an employee, that person shall, on or before January 15 of the succeeding year, furnish a written statement to the employer in respect of whom the payment was made showing all of the following:

(1) The name and, if there is withholding under this division, the social security number of that employee.

(2) The total amount of the third-party sick pay paid to that employee during the calendar year.

(3) The total amount, if any, deducted and withheld from that sick pay under this division. For purposes of the preceding sentence, the term “third-party sick pay” means any sick pay, as defined in subdivision (b) of Section 13028.6, which does not constitute wages for purposes of this division, determined without regard to subdivision (a) of Section 13028.6.

(A) For purposes of Chapter 10 (commencing with Section 2101) of Part 1 of Division 1, the statements required to be furnished by this subdivision shall be treated as statements required under this section to be furnished to employees.

(B) Every employer who receives a statement under this subdivision with respect to sick pay paid to any employee during any calendar year shall, on or before January 31 of the succeeding year, furnish a written statement to that employee showing all of the information shown on the statement furnished under this subdivision.

(d) The Franchise Tax Board shall be allowed access to the information filed with the department pursuant to this section.