California Code, Labor Code - LAB § 205.5

All wages, other than those mentioned in Sections 201and 202, earned by any agricultural employee, as defined in Section 1140.4, are due and payable twice during each calendar month, on days designated in advance by the agricultural employer as the regular paydays. Labor performed between the 1st and the 15th days, inclusive, of any calendar month shall be paid between the 16th and the 22nd day of the month during which the labor was performed. Labor performed between the 16th and the last day, inclusive, of any calendar month shall be paid between the first and the seventh day of the following month. Agricultural employees, as used in this section, shall not include those employees who are covered by Section 205.