This involves the weekends of:
13 and 14 April
20, 21, and 22 April (Easter weekend)
18 and 19 May (this will be used as a reserve weekend)
15 and 16 June
And the summer:
14 July to 25 August
Bus 45 will cover the connection between Station Zuid and Amstelveen bus station: starting at the Strawinskylaan (bus stop A), then via the Beethovenstraat, and De Boelelaan (back via the Parnassusweg) to the Buitenveldertselaan, Beneluxbaan, Mr. Groen van Prinstererlaan, Van Heuven Goedhartlaan, and Meander to Amstelveen bus station (stop B).