(b) Whoever neglects or refuses to fulfill the obligations imposed by Section 907.03 or 907.04 within the time prescribed is guilty of a minor misdemeanor for each offense. For Section 907.03, a separate offense shall be construed to mean every two-day period such violation continues after the initial offense. For Section 907.04, a separate offense shall be construed to mean every seven-day period such violation continues after the initial offense.