- Rule 26(b)(2)(C): "On motion or on its own, the court must limit the frequency or extent of discovery otherwise allowed by these rules or by local rule if it determines that: -- The discovery sought is unreasonably cumulative or duplicative, or can be obtained from some other source that is more convenient, less burdensome, or less expensive -- The party seeking discovery has had ample opportunity to obtain the information by discovery in the action -- The proposed discovery is outside the scope permitted by Rule 26(b)(1) - Rule 26(b)(2)(B): Party need not provide discovery of electronically stored information from sources that the party identifies as not reasonably accessible b/c of undue burden or cost