The league bowlers should have their receipt/stub from their league application, so that should provide proof they are sanctioned. The local association secretary should have processed the initial membership applications and league application by now. The association manager is responsible for subsequent league membership cards.
If one of the bowlers bowls an honor score, just submit the award application as you normally would. Business as usual.
Our league started 3 months ago. While I am listed online as being sanctioned, I have not received my official sanction card yet so I printed it online just to have it.
You could always email the membership/awards desk at the USBC and get their feedback, but I am not sure how much help they will be able to offer.
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