4. Statistical information is of a description specified by this regulation if it relates to the total number of relevant warrants in relation to which the postal operator or telecommunications operator has provided assistance—
(a)to an intercepting authority in accordance with section 41(2) (implementation of targeted interception warrants and mutual assistance warrants) or 149(1) of the Act (implementation of bulk interception warrants), or
(b)to an implementing authority in accordance with sections 126(1) (implementation of targeted equipment interference warrants) or 190(1) of the Act (implementation of bulk equipment interference warrants).