03/29/1951
https://www.presidency.ucsb.edu...
"The authority conferred upon the Federal Civil Defense Administrator, hereinafter referred to as the Administrator, by subsection 401(b) of the Act to employ not more than 100 such part-time or tempor..."
"Appointments of individuals, under the authority conferred upon the Administrator by subsection 401(c) of the Act to utilize voluntary or uncompensated services, to positions other than advisory or co..."
"So far as possible, Federal operations under the Act shall be carried on by full-time, salaried employees of the Government, and appointments under this authority shall be limited to advisory or consu..."
"Any person employed under the authority conferred upon the Administrator by subsections 401(b) or (c) of the Act specified in section 101(a) of this order is hereby exempted, with respect to such empl..."