When do members of the Royal Family get paid salary from the government ?

never.
royals not paid jobs. monarchy self-funding through sovereign grant , crown estates, , official expenses pertaining government work paid. travel expenses official meetings , engagements, office workers, office expenses met.
royal family independently rich. private money comes businesses , investments run in duchy of lancaster queen, , duchy of cornwall prince of wales. queen gives money living expenses anne, andrew , edward cousins dukes of kent , gloucester official work her. other royals work.
queen runs businesses private houses sandringham house , balmoral castle. charles runs duchy originals http://www.duchyoriginals.com/

edit: see there people don't know civil list ceased exist year! civil list , grant-in-aid replaced sovereign grant act of 2011!! queen had repaid civil list monies earned in crown estate , practice turned out quite confusing because people ignorant facts thought paying monarchy. official expenses come straight crown estate.

is when reach age of 18, or once born. it's not if searching job , going interview , getting job, paid.

Society & Culture Royalty Next