59.Subsection (1) states that an authority is not obliged to comply with vexatious requests. This is not intended to include otherwise valid requests in which the applicant happens to take an opportunity to vent his frustration.
60.Subsection (2) states that an authority does not have to comply with repeated or substantially similar requests from the same person other than at reasonable intervals.
Commentary on Sections Right to information Section 14: Vexatious or repeated requests