That's a total of 16 oz of cheese, not a single 16 oz block. So they can get 2 8 oz blocks, and I think maybe they can buy shredded as well. But whatever brand they buy, it *has* to be the lowest priced brand. You cannot buy Kraft if the store sells a house brand. Even if the store is temporarily out of stock.
Over-rides on WIC is an absolute no-no and can cost a store the ability to process WIC transactions at all. And I'm completely confused about this subbing milk for cheese - that's also a not allowed.
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I had a guest last week come in with someone else's benefits package and checks, and refused the transaction. I always have my guests sign after I've checked their items against the voucher, before I start putting anything into the computer. And the signature didn't match the identity booklet. So I asked for alternate ID, which is permitted under what I was taught were WIC rules (both as a prior recipient and as a cashier). She refused, and then said it was her sister's account. I noped right outta that one. Benefits are non-transferrable and I was not about to get any of us - including the real recipient - in trouble. On top of it, the name on the check was a typically male name. Left a note for AP just in case.