Where, in accordance with the provisions of the seventh and ninth paragraphs of article 145, the liberty and custody judge orders the provisional incarceration of the person under investigation with a view to a deferred hearing, either of his own motion or following a request for time from the person concerned or his lawyer, this judge may, in order to carry out the checks on the person’s situation provided for by article 81, refer the matter directly to :
1° The prison integration and probation service;
2° The relevant judicial youth protection service;
3° Any association authorised under the provisions of the sixth paragraph of article 81.