# CKB Cheque Lock ## Metadata **RFC Number**:: 39 **Zettel**:: #zettel/fleeting **Status**:: #x **Source**:: #from/browser **URL**:: [github.com](https://github.com/nervosnetwork/rfcs/blob/master/rfcs/0039-cheque/0039-cheque.md) **Host**:: [[github.com]] **Created**:: [[2022-10-14]] **Topic**:: [[♯ CKB Script]] ## Synopsis This RFC describes a lock script that can be used to transfer assets, such as SUDT ([Simple UDT](https://github.com/nervosnetwork/rfcs/blob/master/rfcs/0025-simple-udt/0025-simple-udt.md)) and mNFT ([Multi-purpose NFT](https://talk.nervos.org/t/rfc-multi-purpose-nft-draft-spec/5434)), from one user to another user that does not have an ACP ([Anyone-Can-Pay](https://github.com/nervosnetwork/rfcs/blob/master/rfcs/0026-anyone-can-pay/0026-anyone-can-pay.md)) cell available, and without the sender having to provide CKBytes to create the destination cell for the receiver.