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The idea of using two separate I.D.s to make one Bona Fide I.D. is popular, but it won't be a defense in court for the business - it has to be ONE I.D. with all 6 requirements.
I often bring our passports with us when we travel by air just as a second form should one of us lose our licenses while traveling. i've often used my passport when it's easier to grab than my license.