(1) The head of the local election office shall monitor changes affecting the layout of polling districts on an on-going basis, and modify the layout of polling districts as necessary.

(2) The serial number of polling districts shall not be modified between the calling of the election and the day of voting, neither shall the qualification of addresses within the polling district, nor shall the modification of the name and category of public places, the modification of house numbers or the modification of sign of buildings or staircases be registered in the address records.