My radio advert
A  regulatory  agency (also  regulatory authority , regulatory body  or regulator) is a public  authority  or government agency responsible for exercising autonomous  authority  over some area of human activity in a  regulatory  or supervisory capacity.    https://en.wikipedia.org/wiki/Regulatory_agency   Basic rules  do not mislead  must be responsible  rules for children     to inform  to persuade  to sell      In radio the words are essential and the writing is also good because they write the script