1. Intentionally places any unauthorized inscription or other things upon any flag of the United States or of any state of the United States; or

2. Knowingly exhibits any such flag, knowing the inscription or other thing to be unauthorized; or

3. For purposes of advertising a product or service for sale or for distribution, affixes a representation of the flag of the United States or of a state of the United States to the product or on any display whereon the product or service is advertised; or

4. Knowingly casts contempt upon the flag of the United States or of any state of the United States by publicly mutilating, defacing, defiling, burning, or trampling upon it.