California Code, Revenue and Taxation Code - RTC § 4109.5

If delinquent taxes are paid in installments, the tax collector may stamp or write “See Supplemental Record” on the margin of the delinquent roll, or abstract list.

On a supplemental record set up by the tax collector for the purpose, he shall show the name of the person making the payments, a description of the property, the amount paid, the year or years of delinquency, and the number of the certificate of redemption, if any, issued.