Under Order MAB/62/2003 (decret 64/1995 7 de marc) of the Generalitat de Catalunya Department of Agricultura, burning is permitted in all rural localities between 8:00 am and 17:00 pm, every day of the week between the 16th October and 14th of March, using a licence granted at you local ajuntament office - Simply a case of go there, ask, and ye shall receive.