When flags representing the "Home Countries" of England, Northern Ireland, Scotland and Wales are flown at official ceremonies, Northern Ireland is sometimes represented by the [[Saint Patrick's Saltire|Saint Patrick's Cross]], for instance on the [[Gloriana (barge)|barge ''Gloriana'']] during the 2012 [[Thames Diamond Jubilee Pageant]].{{cite web|url=http://www.flaginstitute.org/Thames_Pageant_Flag_Guide.pdf|title=A Visual Guide to the Flags used in the Thames Diamond Jubilee Pageant|last=Bartram|first=Graham|year=2012|publisher=The Flag Institute|page=5|archive-url=https://web.archive.org/web/20121108075308/http://www.flaginstitute.org/Thames_Pageant_Flag_Guide.pdf#5|archive-date=8 November 2012|access-date=6 April 2016}} In May 2016, the Ulster Banner was flown from horseback during the Musical Ride of the [[Household Cavalry]] at the Queen's 90th birthday celebration at Windsor, alongside the flags of [[Flag of England|England]], [[Flag of Scotland|Scotland]] and [[Flag of Wales|Wales]].{{cite web|url=http://www.itv.com/hub/the-queens-90th-birthday-celebration/2a3926a0001|archive-url=https://web.archive.org/web/20160519160614/http://www.itv.com/hub/the-queens-90th-birthday-celebration/2a3926a0001|url-status=dead|archive-date=19 May 2016|title=The Queen's 90th Birthday Celebration - Sunday 15 May 8.35pm - The ITV Hub|date=19 May 2016|access-date=9 January 2018}}Archived at [https://ghostarchive.org/varchive/youtube/20211212/Rjf6kCdB52c Ghostarchive]{{cbignore}} and the [https://web.archive.org/web/20170103193032/https://www.youtube.com/watch?v=Rjf6kCdB52c&t=59m26s Wayback Machine]{{cbignore}}: {{cite web|url=https://www.youtube.com/watch?v=Rjf6kCdB52c&t=59m26s|title=YouTube Mirror|website=[[YouTube]]|date=16 May 2016 |access-date=9 January 2018}}{{cbignore}}The Queen's 90th Birthday Celebration, Souvenir Programme, Regal Press Ltd, 2016, p. 12, {{ISBN|9781906670405}}

When flags representing the "Home Countries" of England, Northern Ireland, Scotland and Wales are flown at official ceremonies, Northern Ireland is sometimes represented by the [[Saint Patrick's Saltire|Saint Patrick's Cross]], for instance on the [[Gloriana (barge)|barge ''Gloriana'']] during the 2012 [[Thames Diamond Jubilee Pageant]].{{cite web|url=http://www.flaginstitute.org/Thames_Pageant_Flag_Guide.pdf|title=A Visual Guide to the Flags used in the Thames Diamond Jubilee Pageant|last=Bartram|first=Graham|year=2012|publisher=The Flag Institute|page=5|archive-url=https://web.archive.org/web/20121108075308/http://www.flaginstitute.org/Thames_Pageant_Flag_Guide.pdf#5|archive-date=8 November 2012|access-date=6 April 2016}} In May 2016, the Ulster Banner was flown from horseback during the Musical Ride of the [[Household Cavalry]] at the Queen's 90th birthday celebration at Windsor, alongside the flags of [[Flag of England|England]], [[Flag of Scotland|Scotland]] and [[Flag of Wales|Wales]].{{cite web|url=http://www.itv.com/hub/the-queens-90th-birthday-celebration/2a3926a0001|archive-url=https://web.archive.org/web/20160519160614/http://www.itv.com/hub/the-queens-90th-birthday-celebration/2a3926a0001|url-status=dead|archive-date=19 May 2016|title=The Queen's 90th Birthday Celebration - Sunday 15 May 8.35pm - The ITV Hub|date=19 May 2016|access-date=9 January 2018}}Archived at [https://ghostarchive.org/varchive/youtube/20211212/Rjf6kCdB52c Ghostarchive]{{cbignore}} and the [https://web.archive.org/web/20170103193032/https://www.youtube.com/watch?v=Rjf6kCdB52c&t=59m26s Wayback Machine]{{cbignore}}: {{cite web|url=https://www.youtube.com/watch?v=Rjf6kCdB52c&t=59m26s|title=YouTube Mirror|website=[[YouTube]]|date=16 May 2016 |access-date=9 January 2018}}{{cbignore}}The Queen's 90th Birthday Celebration, Souvenir Programme, Regal Press Ltd, 2016, p. 12, {{ISBN|9781906670405}}

A banner displaying the emblem of the [[Northern Ireland Assembly]] is used to represent Northern Ireland within organisations such as the [[Commonwealth Parliamentary Association]].https://x.com/CPA_BIMR/status/2027427781668221097/photo/1

A banner displaying the emblem of the [[Northern Ireland Assembly]] is used to represent Northern Ireland within organisations such as the [[Commonwealth Parliamentary Association]].https://x.com/CPA_BIMR/status/2027427781668221097/photo/1https://x.com/CPA_BIMR/status/1651228223542292482/photo/1

Other regulations exist for other public bodies in Northern Ireland. Use of flags by the [[Police Service of Northern Ireland]] is governed by the Police Emblems and Flags Regulations (Northern Ireland) 2002, which provides that no flag shall be used by the service other than its own flag.

Other regulations exist for other public bodies in Northern Ireland. Use of flags by the [[Police Service of Northern Ireland]] is governed by the Police Emblems and Flags Regulations (Northern Ireland) 2002, which provides that no flag shall be used by the service other than its own flag.