Okla. Stat. tit. 45, § 45-779: Notices and orders - Requirements

Notices and orders issued pursuant to Sections 42 through 45 of

this act shall set forth with reasonable specificity the nature of

the violation and the remedial action required, the period of time

established for abatement, and a reasonable description of the

portion of the surface coal mining and reclamation operation to

which the notice or order applies. Each notice or order issued

under this section shall be given promptly to the permittee or his

agent by the Department and all such notices and orders shall be in

writing and shall be signed. Any notice or order issued pursuant to

this section may be modified, vacated or terminated by the

Department. Any notice or order which requires cessation of mining

by the operator shall expire within thirty (30) days of actual

notice to the operator unless a public hearing is held at the site

or within such reasonable proximity to the site that any viewings of

the site can be conducted during the course of public hearing.