Chinese phrase
如有延期请提前告知 rú yǒu yán qī qǐng tí qián gào zhī
Meaning
Please notify us in advance if a delay occurs
When to use it
This politely asks for advance notice of any delay. It is common in business messages when timing affects planning or scheduling.
Example dialogue
各位，如有延期请提前告知，以便我们重新安排时间。 gè wèi rú yǒu yán qī qǐng tí qián gào zhī yǐ biàn wǒ men chóng xīn ān pái shí jiān
Everyone, please let us know in advance if a delay occurs so that we can adjust the schedule.
好的，收到，如果有变化我会尽快通知大家。 hǎo de shōu dào rú guǒ yǒu biàn huà wǒ huì jǐn kuài tōng zhī dà jiā
Understood. I will inform everyone as soon as possible if anything changes.