The Irish government was updating some old anti-drug laws from 2004 and put the laws out of effect, and mistakenly forgot to enact the new Anti-drug law immediatley, so they had to wait 48 hours for the next available window to enact the new bill. This does not mean they are 100% legal, it is only legal to have it in your possesion. Selling, exporting and use of the drugs are still against the law and fineable over £15,000.
http://www.huffingtonpost.com/2013/07/08/florida-banned-computers_n_3561701.html