/ɪˈfɛktɪv tʃɛk/ – Phrase
Definition: séc còn hiệu lực, séc còn giá trị.
A more thorough explanation: An effective cheque is a negotiable instrument that is properly completed, signed, and dated, and is capable of being cashed or deposited by the payee at a financial institution.
Example: An effective cheque must be signed by the account holder in order to be valid.