When must I provide a financial guarantee for my notice-level operations?

To see how this subpart applies to your notice, follow this table: If— Then— (a) Your notice was on file with BLM on January 20, 2001 You do not need to provide a financial guarantee unless you modify the notice or extend the notice under § 3809.333. (b) Your notice was on file with BLM before January 20, 2001 and you choose to modify your notice as required by this subpart on or after that date You must provide a financial guarantee before you can begin operations under the modified notice. If you modify your notice, you must post a finacial guarantee for the entire notice. (c) You file a new notice on or after January 20, 2001 You must provide a financial guarantee before you can begin operations under the notice.