4. The commissioner shall hold as many sittings as are necessary to hear all the persons who present themselves to furnish information and shall so fix the dates of hearing as to entail the least possible cost and inconvenience to each of them.
He may go to the residence or place of business of any person whom he believes capable of furnishing him with useful information and who did not present himself following the public notice mentioned in section 3, provided that such residence or place of business is situated in the territory of the church, chapel, mission, congregation or other religious community for which such register or volume was kept or in the neighbourhood of such territory.
He may also obtain, by correspondence, telephone or telegram, from persons residing outside of such territory or neighbourhood, all documents and information likely to aid him in his researches.
With the authorization of the Minister of Justice, he may take any other steps and incur any other expense necessary for the purposes of his inquiry.
R. S. 1964, c. 313, s. 4; 1965 (1st sess.), c. 16, s. 21.