Voters go to the polls in Oldham West & Royton on December 3 in the first Commons by-election of this Parliament, following the death of Labour ex-minister Michael Meacher.
See the advisory under By-elections for information on the Press Association's coverage of nominations and results, including formats, category codes and catchlines.
Information about the Press Association's coverage of nominations and results in the elections set for May 5 is contained in advisories for customers on this website.
See Message specifications for information on PA's elections messages in XML format for digital products as well as a guide to those in plain text (TTY) and data format on the wire.
A referendum on whether the UK should leave the EU or remain within it may take place in 2016 and in any event must happen before the end of 2017.
Check back here for information on PA's results coverage for this poll in due course.
Contact Roger Smith on the PA Elections Desk on 020 7963 7992 or Customer Services on 01430 455337. Alternatively use the e-mail form on the Contact us page.