@ the OP: How much is the amount of the dispute? The amount of the fruit salad? $3.49?
If I were a resident in your complex and I heard that a board member and the treasurer were arguing over such trivial amounts, I’m not sure I could trust them to judiciously get anything done as it related to real issues.
Well… that’s what the boards of homeowner/condo associations are designed for. Here’s a sample meeting, in case you’ve never attended.
“We need to fix the leaking roof.”
“You have to make motions using Roberts Rules of Order. I move that we prevent Mrs Smith from putting a holiday wreath on her door.”
“But the roof is leaking!”
“There’s already a motion on the floor. Roberts Rules says you need to wait. Will anyone second the motion?”
[The following three hours will result in a narrow decision that wreaths are in fact a violation of the CC&Rs, promote religious intolerance, and the green clashes with the paint anyway. It will be recommended that a motion be made at the next meeting to appoint a committee to study whether the roof is in fact leaking.]