Where the validity period of a coal production license expires or the coal resources within the limits of an approved mining area are exhausted,the license-issuing authority shall revoke the license and make it known to the public.

• 煤炭生产许可证的有效期限届满或者经批准开采范围内的煤炭资源已经枯竭的，其煤炭生产许可证由发证机关予以注销并公告。