The Augusta and Hampden Maine clubs have done a couple. Ranges are 90 minutes apart. On Saturday, half the squads shot in Augusta, the other half in Hampden and for Sunday, switched.
Post match report is a brief summary of the match and a financial report. The financial isn't complicated, just an overview of income and expenses - mine has never been more than about a dozen lines.
As for liability, no different than any other match.