57. (1) Several land surveyors practising in partnership or under a common authority may keep joint records.
(2) Such records shall be in the custody of a land surveyor designated by the members or shareholders of the partnership or, as the case may be, by the common authority on whose behalf the records are kept.
(3) A land surveyor designated custodian of a joint record must notify the secretary of the Order within seven days of being designated.
(4) Unless by prior agreement, a land surveyor shall not permanently withdraw from such records the documents he has prepared without the consent of a majority of the members or shareholders of the partnership or, as the case may be, without the consent of the common authority on whose behalf the records are kept.
(5) When joint records cease to be in the custody of a land surveyor, the documents constituting such records shall be deposited in accordance with section 58 by the last land surveyor who had custody of such records, by his successors or by the common authority on whose behalf such records were kept.
(6) The person who makes a deposit under subsection 5 is entitled to obtain from the depositary a copy of each document deposited, upon the conditions fixed by regulation of the board of directors.