§784.12. Operation plan: Existing structures. — Inbound Citations

(i) An existing structure which meets the performance standards of subchapter K of this chapter but does not meet the design requirements of subchapter K of this chapter may be exempted from meeting those design requirements by the regulatory authority. The regulatory authority may grant this exemption only as part of the permit application process after obtaining the information required by 30 CFR 780.12 or 784.12 and after making the findings required in 30 CFR 773.15;