All WASPS and their clients have been required to comply with these Advertising Rules since 1 January 2006. The rules are media-specific and illustrate clearly how a service to a mobile consumer needs to be advertised.

For example, on television if a premium rate SMS service is advertised then the price paid to purchase content or enter a competition must be shown on screen for a minimum time period and be of a minimum size.
 
The media covered in the rules include TV, cinema, radio, newspaper, magazines, content booklets, outdoor, below-the-line promotions, Web sites, e-mail ads and SMS/MMS ads. TV viewers will already notice clear pricing being displayed in adverts flighted by WASPs.
 
Any WASP or WASP client contravening these rules will fall foul of the WASPA code of conduct, and will be subjected to the complaints procedure administered by the independent adjudicator, probably resulting in a fine.