Procedure Instruction Letters

Lapse in Appropriations

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**2019**
PIL Number	Title	Effective Date
I19-V-01	Procedure for Permitting the Use of Belt Air to Ventilate Working Sections of Underground Coal Mines	2/8/2019

**2016**
PIL Number	Title	Effective Date
I16-V-01	Reissue of I12-V-03 and I12-IV-04 - Use of Digital Cameras and the Storage and Preservation of Digital Images	4/27/2016

**2012**
PIL Number	Title	Effective Date
I12-V-11	Reissue of I10-V-09 - Procedures for Evaluation of Requests to Make Extended Cuts With Remote Controlled Continuous Mining Machines	4/30/2012
I12-V-19	District Field Change Requests for Adding Proximity Detection Systems	7/26/2012

**2011**
PIL Number	Title	Effective Date
I11-III-02	Compliance Procedures for the Hazard Communication Standard	6/20/2011