To prevent unnecessary administrative delay and to avoid duplication of administration and enforcement, BLM and a State may make the following kinds of agreements:

(a) An agreement to provide for a joint Federal/State program; and

(b) An agreement under §3809.202 which provides that, in place of BLM administration, BLM defers to State administration of some or all of the requirements of this subpart subject to the limitations in §3809.203.