Green River" ordinances require that Question 4 options: a) all non-residents who attempt to sell goods or services directly to consumers be registered with city authorities and obtain a license to sell goods or services direct to consumers in that vicinity b) all salespeople who seek professional certification submit qualifying credentials to Green River, Wisconsin for verification c) all salespeople with health problems obtain a validated health exam before being permitted to call on consumers in their homes d) all door-to-door salespeople post a $1,000 bond with city authorities before making sales call in the city