Proper noun
February Patent
(historical) A constitution of the Austrian Empire promulgated in the form of letters patent on February 26, 1861.
The law of 21 December 1867, although frequently amended, was the foundation of Austrian governance for the remaining 50 years of the empire, and was largely based on the February Patent, the Imperial Council and included a bill of rights. Source: Internet
This was a first step towards the establishment of a separate Cisleithanian legislature, on the other hand the more limited role of the diets in the February Patent, compared to the October Diploma, angered the champions of regionalism. Source: Internet