BUDAPEST, March 17 (Reuters) - Hungary's legislature will vote on the ratification of Finland's NATO accession on March 27 and the majority ruling party bloc will unanimously support the bid, the leader of the ruling Fidesz party's parliamentary group said on Friday. "Kocsis' announcement comes on the same day as Turkish President Tayyip Erdogan said that Turkey will start the process of ratifying Finland's NATO membership bid in parliament after the country took concrete steps to keep its promises. See here for a complete list of exchanges and delays