The following services will be cut on Saturdays, but their hours will be extended during the week Buildings Department receipt and despatch counter. Census and Statistics Department inquiries related to import and export declarations. Civil Aviation Department counter services for flight crew, flight staff and aircraft maintenance engineers. Customs and Excise Department applications for dutiable commodities; controlled items license/permit/authorisation/approval etc. Housing Department applications and allocations for public rental housing; Housing Information Centre Offices in public rental housing estates; Housing Authority headquarters. Information Services Department sale of government publications; sale of government photographs. Inland Revenue Department tax-related inquiries and applications; business registration. Intellectual Property Department applications for trade mark/patent/design registration. Lands Department general inquiry services; Land Administration Services. Survey and mapping counter services. Planning Department inquiry counters. Trade and Industry Department applications for certificates of origins/textiles licensing; support and consultation centre for SMEs; collection and form sale office.