This interpretation bulletin outlines factors for determining whether an access to information request is frivolous or vexatious, as set out in section 10(1)(b) of the Freedom of Information and Protection of Privacy Act (FIPPA) and section 4(1)(b) of the Municipal Freedom of Information and Protection of Privacy Act (MFIPPA). This interpretation bulletin explains the grounds for a frivolous or vexatious claim, and offers key considerations for whether an access request meets the threshold to be considered frivolous or vexatious.