The recent judgment of the Supreme Court dated 15 January (number 830/2015. Appeal 3190/2012) has established case law when states in its Decision, second paragraph, that "in the legal regime established by Law 42/1998, of December 15, on timeshare rights, lack of determination in the contract of the accommodation to which it relates determines the nullity of that contract, as provided in Article 1.7 in connection with 9.1.3 of the Act."