French phrase
Nous approuvons le devis sous réserve de ~ .
Meaning
We approve the quotation subject to ___.
When to use it
Approval is conditional on a stated requirement. It is formal and common in business contexts.
Example dialogue
Le client a payé ?
Has the customer paid?
Nous approuvons le devis sous réserve de la réception du paiement.
We approve the quotation subject to receipt of payment.