SECTION 1. Section one of Act Numbered Two thousand five hundred and eighty is hereby amended so as to read as follows:
"SECTION 1. It shall be unlawful for any editor, publisher, business manager, or owner of every newspaper, magazine, periodical, or other publication to print and distribute to the public the first issue cf such newspaper, magazine, periodical, or other publication without first filing with the Director of Posts, or to continue printing and distributing the same without first submitting to said official every first day of April and October of each year unless granted any extension or extensions thereof, a sworn statement on blanks to be furnished by the Director of Posts, setting forth the names and post-office addresses of the actual printer, editor, managing editor, publisher, business manager, and owner, and, in addition, the stockholders, if the publication be owned by a corporation; and also the names of known bondholders, mortgagees, or other security holders; and also, in the case of daily newspapers, there shall be included in such statement the average of the number of copies of each issue of such publication sold or distributed to paid subscribers during the preceding month: Provided, however, That it shall not be necessary to include in such statement the names of persons owning less than one per centum of the total amount of stocks, bonds, mortgages, or other securities."