MSPs voted to pass the
Alcohol (Minimum Pricing) Bill
, after its final debate in the chamber on 24 May 2012.
During the debate Health Secretary Nicola Sturgeon said the bill would have a "significant and historic impact on Scotland's relationship with alcohol" and "kick start a change in our alcohol culture".
Ms Sturgeon said Labour were in a position of "abject isolation on this policy" made "more ridiculous" with Labour south of the border agreeing with the Scottish government.
She said the the floor price of alcohol at 50p per unit would lead to 60 fewer deaths in the first year, 1,200 fewer alcohol related illnesses and 1,600 fewer hospital admissions.
Scottish Labour health spokesperson Jackie Baillie said Labour did not believe minimum unit pricing was the right answer which was why they had brought forward an amendment to mitigate the unintended consequences of the bill.
Ms Baillie said there were concerns about the legality of the measure, its efficacy and the windfall to retailers, which Labour's amendment sought to redress.
Scottish Conservative Health Spokesperson said the sunset clause his party had pushed for would let the legislation fall if it did not work, which meant there was no good reason for the parliament not to unite behind the bill.