In this sentence, the word "waiver" functions as a noun. It is used to refer to the act of relinquishing or giving up a claim or request, specifically in regards to customs duties.
No.
You would need either an I- 212 waiver or I- 601 waiver. For serious crimes there is no waiver.
No, not for the Visa Waiver participant nations. It has to be done from outside the US.
First of all, the term "waiver" comes up in Immigration law more than once and, in more than one case the term is related to a visa. Most commonly, "visa waiver" and "waiver of inadmissibility." There is a difference between a visa waiver and a waiver of inadmissibility. A visa waiver applies when a qualifying alien comes to the United States without formally applying for a waiver at a US consulate.
Yes, but it requires a waiver.
U.S army
Yes but it requires the grant of a waiver.
You can get a US Entry Waiver for 1 year, 2 years or 5 years. Usually first time applicants get approved for 1 year, but you never know, so apply for 5. And yes, you do have to re-apply each time... keep in mind too that if you have a pardon, you will still need a US waiver.
Any laser can get past US customs as long as it is 5mw or less.
judicial, prosecutorial waiver and legislative waiver
It depends on which country's army!