Hi Meidina, Thank you for the post. For regulations, we would recommend you reaching out the SFA through the official contact SFA | SFA Headquarters
Hope it helps!
Thank you for posting the questions.
Yes, it is always a challenge to convince customers, especially those outsider of analytical science field, to accept a specific method. The underline reasons could be relevant knowledge, past bad experience, price, etc. A few suggestions for your consideration:
Hope it helps!