ExecOrder 1:2015-38.  

Executive Order 2015-38  
I, Mary Fallin, Governor of the State of Oklahoma, hereby direct that appropriate steps be taken to fly all American and Oklahoma flags on State property at half-staff upon receipt on Monday, August 24, 2015, to 8:00 a.m. on Monday, August 31, 2015, to honor Labor Commissioner Mark Costello, who passed away on Sunday, August 23, 2015.
Mark Costello was first elected as Commissioner of Labor in November of 2010. He was a true champion of conservative principles and worked diligently to reduce administrative inefficiencies. His dedicated commitment to improving Oklahoma has created an inspiring legacy that will never be forgotten.
This Executive Order shall be forwarded to the Department of Capital Assets Management, who shall cause the provisions of this Order to be implemented by all appropriate agencies of State government.
IN WITNESS WHEREOF, I have hereunto set my hand and caused the Great Seal of the State of Oklahoma to be affixed at Oklahoma City, Oklahoma, this 24th day of August, 2015.
Mary Fallin
Chris Morris
Assistant Secretary of State
[Source: Added at 33 Ok Reg 17, eff 8-24-15]