It was amended on 4 June 1951 to show additional war service.

The 1968 Act remains in force today, but has been amended on a number of occasions.

It was adopted in 1970 and amended on November 6, 1996.

- This article was amended on 14 and 21 May 2010.

The code as such remains in force, and it was last amended on 1 January 1993.

- This article was amended on 10 and 11 March 2011.

- This article was amended on 25 and 30 June 2010.

The panel will have an opportunity to amend and vote on it later this month.

- This article was amended on 9 and 10 August 2011.

- The letter above was amended on 21 December 2010.