The Chief Electoral Officer for Northern Ireland must, during each compulsory review year, carry out and complete a review under section 18B of all the polling places in Northern Ireland.

The compulsory review years are 2014 and every fifth year after that.

Subsection (1) does not prevent the Chief Electoral Officer carrying out a review under section 18B of some or all of the polling places in Northern Ireland at other times.

Subsection (1) does not require the Chief Electoral Officer to carry out and complete a review of all the polling places in Northern Ireland during a compulsory review year if reviews under section 18B of all those polling places are completed during the previous year.

Schedule A1, except paragraphs 2 and 3, has effect in relation to a review under section 18B of polling places in Northern Ireland.