This is investment related to property maintenance.
Habtur wants a health "traffic light" system that distinguishes between regions and whole countries.
The fall in numbers was over the twelve months following Balearic legislation in 2017.
The appeal is against the Council of Majorca's zoning plan, which Habtur considers to be "unjust".
The Habtur holiday rentals association calls the apartment ban "unjust".
The government is now "governing exclusively on behalf of the hoteliers".
Joan Miralles, the president of the Habtur holiday rentals association, yesterday presented a report in which it is claimed that the cost of residential letting in Palma has risen by 19% in the past two years.
Palma City Council says legal challenge comes as no surprise but every business sector has rules and regulations.
The Partido Popular is backing the holiday rentals association Habtur in challenging "prohibition".
Habtur claims that 90,000 "regulated" holiday rentals place will disappear.