Remember, 16V states that the single time control is "recommended...unless the organizer believes the players would prefer otherwise".
The local club is completely within its rights to have the dual time control, especially if that is the tradition for that club.
Caveat: I don't yet own the latest, 6th Edition.
I have been trying to get a ruling on this for years and have (a) had a lot of trouble finding an e-mail address to send the question to and (b) getting a reply even when I think I've found one.
USCF Rule 16V states that if there's not enough time for a second time control of at least an hour, then a single, combined time control is to be preferred to splitting it up. This seems to say that G/105 is to be preferred to 40/75, SD/30 (which the local chess club uses). At the local club, it is being interpreted as a follow-up to rule 16U and therefore as only applicable to analog clocks. I don't see that myself. But I need a ruling. Help!