Association football contracts are the legal contracts for both amateur and professional football. Football contracts overlaps substantially with labor law, contract law and tort law. Issues like defamation, privacy rights and intellectual property law are also an integral aspect of football contracts. This area been subject to a number of controversies since the 1990s (see the Bosman ruling and the Webster ruling). These cases have coincided with the rebalancing of player power and increased media scrutiny and commercialisation of football.