[alisasny]

Native American online retailers have begun using the U.S. Postal Service as a loophole to deliver cigarettes to their New York State customers because the law prohibits common carriers, such as UPS, from delivering tobacco products resulting from Internet sales.

[Just another Joe]

Native American online retailers have begun using the U.S. Postal Service as a loophole to deliver cigarettes to their New York State customers

I had heard that might be a loophole.
But really, what's the difference? The USPS is no longer a government entity. What's to keep the law from affecting them also?