Whenever any instrument, paper, or notice is recorded which requires additional indexing by the county recorder to give notice required by law and does not refer to a previously recorded document by reference, as covered in Section 27361.2, an additional fee of one dollar ($1) shall be charged for each group of 10 names or fractional portion thereof after the initial group of 10 names.
Source:
Section 27361.8, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=27361.8..