“ PART V — STANDARDS The standard for the refusal of employment or the removal from employment in an executive department or agency on grounds relating to loyalty shall be that, on all the evidence, reasonable grounds exist for belief that the person involved is disloyal to the Government of the United States. ”

“ PART I — INVESTIGATION OF APPLICANTS There shall be a loyalty investigation of every person entering the civilian employment of any department or agency of the executive branch of the Federal Government. Investigations of persons entering the competitive service shall be conducted by the Civil Service Commission, except in such cases as are covered by a special agreement between the Commission and any given department or agency. Investigations of persons other than those entering the competitive service shall be conducted by the employing department or agency. ”

“ Each department and agency of the executive branch should develop and maintain, for the collection and analysis of information relating to the loyalty of its employees and prospective employees, a staff specially trained in security techniques, and an effective security control system for protecting such information generally and for protecting confidential sources of such information particularly. ”