De los Reyes traveled all over the country to rally people to the new church. He also directed the church publications "Boletin de la Iglesia Filipina Independiente" and "La Iglesia Filipina Independente: Revista Catolica". He also turned his residence into a temporary seminary. In 1929, de los Reyes was appointed an honorary bishop, a position he held until his death. In this capacity, he wrote multiple devotional and doctrinal texts such as the "Biblia Filipina", "Oficio Divino", "Catequesis", "Plegarias", "Genesis Cientifico y Moderno" and the "Calendario Aglipayano".