Order XXXVII of the CPC applies to a suit

As amended, Order XXXVII Rule 1(2) CPC applies to suits upon bills of exchange, hundies and promissory notes, to suits for a debt or liquidated demand arising on a written contract, an enactment or a guarantee, and now also expressly to suits for recovery of receivables by an assignee, so the complete description is "Upon bills of exchange, hundies and promissory notes and suits in which the plaintiff seeks only to recover a debt or liquidated demand in money payable by the defendant arising on a written contract or on an enactment or on a guarantee or for recovery of receivables instituted by any assignee of a receivable."