Well, this being my second year as our PTG president, and after two years of being secretary, I will try to council.
When it concerns school policy, definately pass to the principal. The policy is there to guide him or her, and it is a great way to answer without putting any emotion into it. If teachers and or parents are coming to the board for money, your role as moderator is to keep the meeting on task and to guide the board to a decision. This is harder to to without emotions leaking in and tainting our feelings. Then I turn to our mission statement. It states roughly that the PTG is in place to support students by offering academic, cultural, and other opportunities that will enrich their lives. While also working to maintain a strong bond and communication with family and school, and community. So if what they are asking of you and the board does not comply with your mission then you may table it and think on it, or just simply say that their request does not fit into what the boards mission is, and maybe suggest another venue...town, school board, or other support group.
Also WE have a policy that states before a teacher comes to the board requesting funds or materials that they first check with administration and make sure that the budget can not support them, we then ask for this info in writing. So make sure you defer what you can to policy or mission and then hash the rest out with the board and take a vote. You shouldn't feel like you have to give them what they want...how many kids will it reach? Can you support them in their own fundraising efforts?
Please contact me if you want further assistance..I don't mind, and I know what it feels like to lose momentum!