Market research has conclusively shown that the biggest proportion of new joiners comes from the word of mouth power of existing members.
When a customer joins up, they are generally full of enthusiasm and want to tell their friends straight away, partly to get approval for the process.
A perfect way of marrying these two forces is to encourage your new member to refer their friends immediately – offering them something like a 7-day guest pass to try out the facility for themselves.
The Point of Sale form should be presented to the member at the end of the administration process. Try not to think of it an optional but as the final piece of paperwork necessary to process the new membership.