Complex sentence: The church was declared National Cultural Treasure through Museum Declaration no.2 on May 5,2010 and unveiling of the marker on July 22,2012 at the Old Provincial Building of Bohol in Tagbilaran.
Split into simpler sentences: The church was declared a National Cultural Treasure through Museum Declaration no.2 on May 5,2010. Its marker was unveiled on July 22,2012 at the Old Provincial Building of Bohol in Tagbilaran.