I've never paid points + cash.
I've always paid just points & rarely-never been charged taxes-fees.
In the following example HIX points + cash notice text in red:

Rate Information per Stay for 1 Room
SUNDAY MAY 21 2023-TUESDAY MAY 23 2023
17,000 Points + 33.00USD
Estimated Total Price
34,000 Points + 66.00USD
Description of Taxes and Additional Charges
12.5% per night not included in rate effective 21 May, 2023 through 23 May, 2023
__________ ________
Do taxes-fees (never, rarely, sometimes, frequently, always) get charged when paying points + cash?
(red text appears for all points too but rarely-never gets charged)
Thanks in advance. regards