By CBS3 Staff

PHILADELPHIA (CBS) — The leader of the Philadelphia Archdiocese’ 1.4 million Catholics has submitted his resignation to Pope Francis. Archbishop Charles Chaput is turning 75 this week and a spokesperson for the Archdiocese of Philadelphia confirmed, a letter must be submitted when a bishop reaches the age of 75.

This move was first reported by the Philadelphia Inquirer.

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Chaput has been credited with stabilizing the church’s finances, while downsizing its physical footprint.

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“Whether it is accepted and how long it might take for a new archbishop to be named by the Vatican can’t predicted,” Archdiocese of Philadelphia Spokesperson, Ken Gavin told Eyewitness News

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Archbishop Chaput was appointed in September of 2011 by Pope Benedict.