This special offer is valid until the end of the month.

这个特价优惠月底前有效。

《牛津词典》

This guarantee is valid until day of , 20 .

本保函有效期至20 年月日止。

youdao

The L/C remai valid until the 15th day after shipment.

信用证在装船淘宝怎么取消订单后15天内有效。

youdao

Google also proposed giving Oracle 0.015% of revenues for use of a second patent which is valid until April 2018.

BBC: Oracle building

However, the UK Borders Agency has offered a temporary concession to Syrian students in the UK, which is valid until 15 March.

BBC: Syrian students face fees crisis

The company is the only one licensed to operate the route between the Channel Islands and the UK, with its licence valid until 2018.

BBC: Condor Vitesse