moneys received in the form of nonrecurring lump-sum payments, including, but not limited to, income tax refunds, rebates, or credits, cash donations based on need that are received from one or more private nonprofit charitable organizations, but not in excess of $300 in the aggregate in a quarter, retroactive lump-sum social security or railroad retirement pension payments and retroactive lump-sum insurance settlements: Provided , That such payments shall be counted as resources, unless specifically excluded by other laws;