English to Russian Bus/Financial Finance (general)

Any investor may request such subscription by sending a written instruction to the Registrar Agent. Any instruction must contain the following information: the exact name and address of the person making the subscription request and the amount to be subscribed (all subscriptions should exclusively be done in amount in the currency of the share class and not in shares), the sub-fund to which such subscription applies as well as the share class concerned

Подскажите, пожалуйста, как правильно перевести пояснение в скобках: subscriptions should exclusively be done in amount in the currency of the share class and not in shares