A permission to go out for a period not exceeding one day may be granted with a view to fulfilling an obligation requiring the presence of the person sentenced to one or more custodial sentences for a total period not exceeding five years or to one or more custodial sentences for a total period exceeding five years when he has served half of his sentence, in the following cases:
1° The sentenced person cannot be represented with the organisation and the latter is unable to intervene within the prison establishment;
2° The sentenced person is summoned before a judicial or administrative court and the conditions for videoconferencing are not met.