I-13.3, r. 12 - Regulation respecting student transportation

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27. A tenderer may not withdraw his tender unless:
(1)  the tender is withdrawn before the date and time of the closing of tenders; or
(2)  the person who submitted the tender has obtained, before the tender is accepted, from a board or an educational institution, a contract for the transportation of students that begins in the same school year and requires the use of vehicles which otherwise could have been used to provide the services covered by the tender.
O.C. 647-91, s. 27.