Is it correct?

The nearest correct sentence would be:

We will proceed to custom clearance on Monday when we receive the documents.

CliveWe usually speak of customs in this context, not custom.Clive

Ooops, yeah.

Thanks, yes I forgot s for customs, please adivise me again,
"Now, we checked the money from our bank but we don't received the return money yet, please check from your bank and let us know. When we recieve the money, we will tranfer to you again.

I bought the good from supplier but the supplier inform the wrong bank account, I tranfered the money to my supplier but she is not receive the money and she inform me that the money should return to me but now, I checked from my bank but the money don't return to my bank.

Thank you for your help.