 |
| English | Spanish |
| custom and usage | normas consuetudinarias |
| custom and usage A group pattern of habitual activity usually transmitted across generations and, in some instances, having the force of law | normas consuetudinarias |
| customs regulation | reglamentación aduanera |
| customs regulation A body of rules or orders generally issued by the executive authority of a government to establish and direct the taxes, duties or tariffs payable upon merchandise exported or imported | reglamentación aduanera |
| customs tariff An official list or schedule setting forth the duties imposed by a government on imported or exported goods | arancel aduanero |