The entity may provide for a basic penalty of not more than 10 percent for nonpayment of the charges within the time and in the manner prescribed by it, and in addition may provide for a penalty of not exceeding 1 and one-half percent per month for nonpayment of the charges and basic penalty. It may provide for collection of the penalties herein provided for.
Source:
Section 5473.10, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=5473.10..