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>Taxpayers, however, require accountability

What do you think is unaccounted for? Especially on an electronic credit card?

Does your credit card statement report exactly what you bought or just where you bought it?
The receipts you provide to support your claim for taxpayer reimbursement for the payment you have to make on the card report exactly what you bought, and come with a justification for buying it, or you aren't getting reimbursed.