When it comes to conceding putts, normally the rule in alt shot games is to cc at 2 feet, in clubs it usually expands to 3 feet. Very understandable and agreeable.
Earlier today while playing (group of 2 L's, a TM, and a TL), I was told I had to cc a 10 foot putt for par to half the hole. This demand came from the TL. Two holes later, because I did not cc his 5 foot putt, he quits.
I thought the cc button was an option, not to be expected.