Мы подписали договор, но нам нужно

Мы подписали договор, но нам нужно время для оплаты счёта, поскольку до этого нам необходимо открыть валютный счёт в евро. Спасибо за вашу помощь и желание сотрудничать.

Результаты (английский) 1:

We have signed the Treaty, but we need time for payment of the account, since we need to open a foreign currency account in euro. Thanks for your help and willingness to cooperate.

Результаты (английский) 2:

We signed the contract, but we need time to pay bills, since before that we need to open a foreign currency account in euros. Thanks for your help and willingness to cooperate.

Результаты (английский) 3:

We have signed the treaty, but we need time to pay the invoice, since up to this, we need to open foreign currency account in euros. Thank you for your help and willingness to cooperate.