As you are aware, CA requires that you provide an itemized listing of many different items with each paycheck you give an employee. The law does not require that you have the itemized items on a single sheet of paper---only that all the items be set out in writing each pay period with the check. You are free to use a re-cap attachment if the information required is not on the check stub itself.
The required itemizations are as follows:
Along with each paycheck, California law, labor Code Section 226 requires employers provide a written itemized statement containing nine pieces of information about that payment:
§226. (a) Every employer shall, semimonthly or at the time of each payment of wages, furnish each of his or her employees, either as a detachable part of the check, draft, or voucher paying the employee's wages, or separately when wages are paid by personal check or cash, an accurate itemized statement in writing showing (1) gross wages earned, (2) total hours worked by the employee, except for any employee whose compensation is solely based on a salary and who is exempt from payment of overtime under subdivision (a) of Section 515 or any applicable order of the Industrial Welfare Commission, (3) the number of piece-rate units earned and any applicable piece rate if the employee is paid on a piece-rate basis, (4) all deductions, provided that all deductions made on written orders of the employee may be aggregated and shown as one item, (5) net wages earned, (6) the inclusive dates of the period for which the employee is paid, (7) the name of the employee and only the last four digits of his or her social security number or an employee identification number other than a social security number, (8) the name and address of the legal entity that is the employer and, if the employer is a farm labor contractor, as defined in subdivision (b) of Section 1682, the name and address of the legal entity that secured the services of the employer, and (9) all applicable hourly rates in effect during the pay period and the corresponding number of hours worked at each hourly rate by the employee and, beginning July 1, 2013, if the employer is a temporary services employer as defined in Section 201.3, the rate of pay and the total hours worked for each temporary services assignment. The deductions made from payment of wages shall be recorded in ink or other indelible form, properly dated, showing the month, day, and year, and a copy of the statement and the record of the deductions shall be kept on file by the employer for at least three years at the place of employment or at a central location within the State of California. For purposes of this subdivision, "copy" includes a duplicate of the itemized statement provided to an employee or a computer-generated record that accurately shows all of the information required by this subdivision.
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I wish you the best in your future,