I think what they want to know are two thingsSean Hewitt wrote: But that has not been the experience of any Leicestershire treasurer. Nor, it seems, of any Northern treasurer.
(1) Whether you actually enforce 100% membership and what your league rules say. Chester for example has an exemption for up to five games.
and
(2) Whether you grade games involving non members and how you collect the necessary income, assuming the ECF send you a Game Fee invoice.
100% membership would be that it's an eligibility condition to take part in the league with rules to back this up saying that non-members incur penalty points.
I think the point about extra transactions is that something has got to happen involving the league treasurer when you have new players halfway through the season.