 During his terms, the small municipality of Allariz was awarded the European Prize of Urbanism and it was chosen by the United Nations as one of the leading communities on sustainable development.From 1995 to 2000 Quintana was also chair of the Galician Federation of Provinces and Municipalities .In 1999, he was appointed by the Parliament of Galicia as senator in the Spanish Senate as the sole representative of the BNG.