Paragraphs 6.2-6.4 of the Rules gives the detail on managing rearrangements.
1 The slip dates for 2019/20, for divisions Prem-6, Vets 1&2 are:
14 December, 4 January, 21 March. NB the following important dates:
– 28 March Divisional Cup semi-finals (top 4 in each division)
– 4 April Cup finals
– 10 April Easter
– 8 May Celebration Event
2 There are no official slip dates for Grand Masters/Supervets – to give clubs flexibility to rearrange matches to suit them – however all matches must be completed by 24 April. In the event of clubs being unable to agree on a date, the league will make a ruling.