Portugal - 1974 Party Law

Title Article 9 Benefits and Exemptions to be Granted by the State
Article

9

Political parties shall benefit from the following fiscal exemptions:
a) Stamp duty;
b) Tax on inheritances and donations;
c) Property transfer tax on the acquisition of buildings necessary for the installation of their headquarters, delegations and services, and on property transfers resulting from mergers or demergers;
d) Property tax on taxable income derived from buildings or parts of urban buildings which are their property and which house their central headquarters o regional, district or municipal delegations and their respective services;
e) Costs and expenses of proceedings.

Source LEGISLA??O GERAL - DECRETO-LEI N.? 595/74 DE 7 DE NOVEMBRO. http://www.igf.min-financas.pt/inflegal/bd_igf/bd_legis_geral/Leg_geral_docs/DL_594_74.htm