The taxpayer submits the declaration/declarations for the establishment of the building tax accompanied by supporting documents.

The supporting documents are:

The case of property transfer:

 Sale-purchase contract;
 Exchange contract;
 Heir certificate;
 Donation deed;
 Partition deed;
 Trust contracts;
 Dation in payment contract;
 Restitution order;
 Award deed;
 Court ruling;
 Financial leasing contract + handover/takeover report of the asset

The case of a newly constructed building
 Building permit + handover report upon completion of works OR handover report on
work progress;
 Notarial declaration (for those built without a permit) and the topographical/cadastral work.

The case of public/private buildings owned by the state/UAT concessioned, leased, given in administration or use, as the case may be.
 Concession contract;
 Lease contract;
 Commodate contract;
 Local/county council decision concerning administration or use + handover protocol/report

BUILDING SKETCH (houses) / TECHNICAL REPORT (new houses): on all levels, with exterior dimensions.
ENERGY PERFORMANCE CERTIFICATE: for buildings with a S/P contract or handover report
IDENTITY DOCUMENT: for co-owners/representative
POWER OF ATTORNEY: if the submission of documents is not done by the owner (original). The form can be found
here.