If the returns of an election under section 10204.1 (relating to notice of election) show that a majority of registered voters in a municipal corporation voted “yes” on the referendum question, within 60 days after the election, the governing body of the municipal corporation shall furnish to the Secretary of the Commonwealth the necessary information with respect to the boundaries of the new city, and the Governor shall issue letters patent, under the Great Seal of the Commonwealth, reciting the facts, defining the boundaries of the city and constituting the city as a body corporate and politic by the name of the “City of.........................”