20.The present system allows authorities also to borrow temporarily to meet their revenue costs, pending the receipt of income due to them (for example, while waiting for council tax payments). Under the new system, forseeable requirements for temporary revenue borrowing will be allowed for when borrowing limits are set by the authority under section 3 (or by the Government or National Assembly for Wales under section 4). Section 5 then allows extra flexibility in the event of unforeseen needs, by providing for the borrowing limits to increase by the amounts of any payments which are due to the authority in the year but have not yet been received.