In which case do you have to report your work to taxes?

You must report when you transformed an existing building by doing one of the following:

• Elevation
• Partial or total demolition
• Division of a building into apartments
• Meeting of several apartments in one unit
• Conversion of an outbuilding into a living room
• Expansion

Model Declaration IL - Change of Consistency or Assignment of Built and Unbuilt Properties

This form must be sent to the tax department of the property situation.

You must report a first-time home on a parcel of land that is not built or rebuilt to replace a demolished property (reconstruction).

Model Declaration H1 - Individual house and other individual isolated building

This form must be sent to the tax department of the property situation.

You must report your purchased accommodation in the new or future state of completion in a collective building.

Model Declaration H2 - Flat and Dependencies in a Collective Building

This form must be sent to the tax department of the property situation.

You must declare change of destination of your property.

Model Declaration IL - Change of Consistency or Assignment of Built and Unbuilt Properties

This form must be sent to the tax department of the property situation.