/tæks rɪˈtɜrn/ – Phrase
Definition: Báo cáo thuế.
A more thorough explanation: a form or other declaration submitted (=to send or give a document to someone else) to the tax authorities (=a body with official responsibility for taxation matters) so that they can decide how much tax is to be paid
Example: The deadline for filing paper tax returns is just over one month away.