From 20 to 24 December 2019, Philip stayed at King Edward VII's Hospital and received treatment for a "pre-existing condition", in a visit described by Buckingham Palace as a "precautionary measure".
Subsequently, the government introduced a bill to ratify the withdrawal agreement. It passed its second reading in the House of Commons in a 358–234 vote on 20 December, and became law on 23 January as the European Union (Withdrawal Agreement) Act 2020.