2. If any difference in treatment is made, the official shall ensure that it is justified by the objective relevant features of the particular case.
3. The official shall in particular avoid any unjustified discrimination between members of the public based on nationality, sex, race, colour, ethnic or social origin, genetic features, language, religion or belief, political or any other opinion, membership of a national minority, property, birth, disability, age, or sexual orientation.
Article 6
Proportionality
1. When taking decisions, the official shall ensure that the measures taken are proportional to the aim pursued. The official shall in particular avoid restricting the rights of the citizens or imposing charges on them, when those restrictions or charges are not in a reasonable relation with the purpose of the action pursued.
2. When taking decisions, the official shall respect the fair balance between the interests of private persons and the general public interest.
Article 7
Absence of abuse of power
Powers shall be exercised solely for the purposes for which they have been conferred by the relevant provisions. The official shall in particular avoid using those powers for purposes which have no basis in the law or which are not motivated by any public interest.
Article 8
Impartiality and independence
1. The official shall be impartial and independent. The official shall abstain from any arbitrary action adversely affecting members of the public, as well as from any preferential treatment on any grounds whatsoever.
2. The conduct of the official shall never be guided by personal, family, or national interest or by political pressure. The official shall not take part in a decision in which he or she, or any close member of his or her family, has a financial interest.