Planning Areas of Singapore increasingly adopted these boundaries for their administrative purposes. For example, the Statistics Department of Singapore published its 2000 census data based on planning area boundaries for the first time, compared to using census divisions based on electoral boundaries for previous exercises. The Singapore Police Force's (SPF) neighbourhood police centres have jurisdiction boundaries based on planning area boundaries when they were officially gazetted in 1999, as opposed to electoral divisions under the previous neighbourhood Police Post system. Planning Areas are further subdivided into subzones for statistical purposes. <nowiki>*</nowiki> = Place names attested to be of Malay origin and referred to similarly
Administrative county 1 October 1973. Section 131 of the Local Government Act (Northern Ireland) 1972 stated that ""every county and every county borough shall cease to be an administrative area for local government purposes"". The areas of the former administrative counties (and county boroughs) remain in use for Lieutenancy purposes, being defined as the areas used ""for local government purposes immediately before 1 October 1973, subject to any subsequent definition of their boundaries..."". In the Republic of Ireland the legislation that created them remained in force until the Local Government Act 2001 was passed, which renamed them 'counties'. The administrative counties that