NonProfit Accounting info (several links) (All good to know)
http://www.nonprofitaccountingbasics.org/contributions-financial-statementsreporting/fas-116
https://nonprofitsassistancefund.org/resources/item/managing-restricted-funds
https://www.thebalance.com/restricted-unrestricted-nonprofit-funds-2502167
http://nonprofithub.org/human-resources/top-4-things-your-nonprofit-could-be-doing-illegally/