The word “employee” is added for consistency with other titles of the United States Code. The words “of the United States Government” are added for clarity and consistency. The word “duly” is omitted as surplus. The words “issued by authority of law” are omitted as unnecessary. The words “which has subsequently thereto” are omitted as unnecessary. The words “is satisfied” are substituted for “upon full and satisfactory proof” to eliminate unnecessary words.