This is the 14213th most frequent Spanish word.
tributario
Related to taxes or taxation.
Here, 'tributario' is used as an adjective to describe the term 'sistema', meaning 'tax' as related to taxation.
El sistema tributario del país necesita reformas para ser más justo.
The tax system of the country needs reforms to be fairer.
In this case, 'tributarias' accompanies 'obligaciones', denoting 'tax obligations' and maintaining its role as an adjective.
Los ciudadanos deben cumplir con sus obligaciones tributarias cada año.
Citizens must fulfill their tax obligations each year.
In this example, 'tributarios' functions as an adjective modifying 'expertos', meaning professionals specializing in taxation.