This is a fashion tartan, designed for ANYONE to wear.
Holyrood is the Scottish equivalent of Buckingham Palace, the Queen's official residence in Scotland. She is guarded by "The Royal Company or Archers," a non military force provided by the chiefs of the clans. The Holyrood tartan was registered in 1980 and is a universal tartan.
This tartan was created in 1977 and registered in 1980.