payment on account

a transfer of something of value to compensate for goods or services that is made by way of instalments over a period of time (Dic)

In other languages:

• ħlas akkont [MT] - trasferiment ta' xi ħaġa ta' valur għal oġġetti jew servizzi li jsir bin-nifs fuq perijodu ta' żmien
• pagamento a conto [IT]