Investigatory Powers Commissioner’s invitation for submissions on the proportionality of bulk powers to wider organisations (May 2018) Published on 23 May 2018 Investigatory Powers Commissioner’s invitation for submissions on the proportionality of bulk powers to wider organisations (May 2018) A letter inviting wider organisations to submit comment on issues relevant to the proportionality of bulk powers. We use some essential cookies to make this service work. We’d also like to use analytics cookies so we can understand how you use the service and make improvements.Accept analytics cookiesReject analytics cookiesCookie policy