When the street superintendent has ascertained that the application is signed by all the necessary persons, and that no request for a hearing has been received, he shall thereupon amend the recorded diagram and assessment to conform to such division and apportionment and assign new assessment numbers to each separate part of the original lot or parcel of land.
Source:
Section 8740.4, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=SHC§ionNum=8740.4..