Access of a town councilor of the town council to the writing of dealing of a property of the town

Taking the applicable regulations (LDH and DL 1/2015) into account, the access for the town councilor to the writing of dealing of a property of the town that, for the available information,  it would find affected by the exercise of the rights of test and retract, it is not contrary to the regulations of data protection personal, since the access can be proportionate and suitable for the compliment of their functions of control of the municipal performance, to the effects of ascertaining if it corresponds to exercise the mentioned rights.