The flag of Autonomous Region of Madeira consists of a blue-gold-blue vertical triband with a Cross of Christ in the center. The regulations and clarification of the dimensions, colours and symbolism of the flag of the Autonomous Region were approved by decree of the Legislative Assembly of Madeira of July 28, 1978 (Regional Decree n. ยบ 30/78/M of 12 September). Its use has been made possible by the Portuguese Constitution, recognizing the status of the Madeira regional autonomy arrangements subject to the Constitution | Constitution itself, with Subjective right | right Insignia | badges that differentiate themselves from the rest of the Portuguese territory.
Source: Wikipedia