A feature request for this purpose was created for BTCPay in July 2019
It looks like this may be possible with some extensions if you run your own BTCPay server.
It's my highly subjective opinion, but if you're not a government organization, using a service provider like Bitpay is a terrible idea. Bitpay was known to create anti-privacy features, perform KYC, and even known to stop some payments from going to the recipient. Every time you use a payment processor who is the custodian for the funds you want to receive ...