Same-sex marriage in Guernsey changes to other laws are approved by the States at its meeting on 26 April. On 26 April, the States approved both ordinances, and the law took effect on 2 May 2017. It applies to the jurisdiction of Guernsey, but not to Alderney and Sark. Alderney, one of the three constituent Channel Islands which form the Bailiwick of Guernsey, has full autonomy in most legal matters (except foreign affairs and other powers that have been transferred to the States of Guernsey), through the States of Alderney. Same-sex marriage is legal in Alderney. On 21 February 2017, the States of Alderney's
Transport in Guernsey number of destinations. Waves operates services between Guernsey and Jersey or Alderney. Alderney Airport has regular scheduled flights available to Southampton and Guernsey operated by Aurigny. Both airports have private aircraft facilities and annual air rallies. Traffic in Guernsey drives on the left. Roads are generally narrow, with speed limits of per hour in urban areas and per hour elsewhere. Motor tax was abolished in Guernsey from 1 January 2008. There are seven taxi ranks in St Peter Port. (Taxi ranks) Vehicle registration plates in Guernsey carry between one and five numerals only; the international identification sticker/plate is "GBG". Those