Correct, you may not use funds from the authorised loan, but even in this case you need to present a Certificate under Art. 10, para. 3 of the SLA, evidencing that you have not discontinued your studies. The requirement to present a Certificate under Art. 10, para. 3 of the CPA is set out in the Law, and is a mandatory requirement in case when the authorised loan is not utilised.
You should also submit a written application in a bank office, evidencing that you refuse to use funds from the loan.