The Alcohol (Minimum Pricing) (Scotland) Bill was Introduced on 31 October 2011 [Session 4]
This was a Government Bill. Government Bills before September 2012 were known as Executive Bills.
The Bill was passed on 24 May 2012 and became an Act on 29 June 2012
If the Bill is passed by MSPs, it can then get Royal Assent and become an Act.