Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Inkomstenbelasting-nl#Sense
Impôt sur les revenus professionnels-fr#Sense
Indkomstskat-da#Sense
Steuer auf Arbeitseinkommen-de#Sense
Income tax-en#Sense
Imposta sui redditi professionali-it#Sense