Originally Posted by UKTraveller4Fun

You got half the information. SNA's should be useable on points stays but currently Marriott have an IT issue where SNA's cannot be applied to points stays and I think still prepaid stays. It is a complete mess and I have 10 SNA's expiring in a week that I am hoping they extend as I have wanted to apply them to 20 plus different nights since August and for one IT reason or another never been able to. If it were a bank it would be done for mis selling lol!