(1) The contestation may not be made through an authorised representative.
(2) The persons entitled to contest in the meaning of section 1600 (1) nos. 1 to 3 may contest the paternity only without a representative. This also applies if they have limited capacity to contract; they do not need the approval of their legal representatives for this. If they have no capacity to contract, only their legal representative may contest.
(3) For a child that is incapable of contracting or has limited capacity to contract, only the legal representative may contest.
(4) The contestation through the legal representative is admissible only if it serves the best interests of the person represented.
(5) A person under custodianship who is capable of contracting may contest the paternity only without a representative.