Section 60371 Of Chapter 1. Inclusion From California Water Code >> Division 18. >> Part 7. >> Chapter 1.

. A petition, which may consist of any number of separate instruments, shall be filed with the secretary of the district, signed by registered voters residing within the boundaries of the area proposed to be annexed equal in number to at least 10 per centum of the number of such voters residing within the area so proposed to be annexed.