Georgia Gov. Brian Kemp (R) will pick Isakson's successor, who will then face an election in November 2020.

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Kemp has launched a website where Republicans who want to be considered for the proposal may submit their resumes, and Collins said he had done so.

Collins is the ranking Republican on the House Judiciary Committee, where he has had a high-profile role in the GOP defense of President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE.

Isakson announced his plans to leave office in late August, citing his health struggles after sustaining a fall which left him with broken ribs in July. He has also been diagnosed with Parkinson’s disease and recently underwent kidney surgery.

Collins was a state representative before being elected to his House seat in 2012.