Just to add another layer of confusion on rules, this European project plans to present a set of rules to UEFA. Goalkeepers and potential difference on tackling and contact seem different to rules most of us are familiar with in England.
https://www.efdn.org/blog/project/walking-football-league/
https://www.efdn.org/wp-content/uploads/2017/11/The-Golden-Rules-of-Walking-Football-.pdf
Anyone know anything about how this project is going
Len