The bidder shall be a qualified newspaper. A qualified newspaper is one that (1) is published within the county from a known office of publication; (2) bears dates of issue and is numbered consecutively; (3) is regularly issued for the dissemination of news of a general and public character at stated short intervals of time (daily, weekly, etc.); (4) is not designed primarily for advertising, free circulation or circulation at nominal rates; (5) has a bona fide list of paying subscribers; and (6) has been admitted in the United States as second-class mail matter for at least one year as of the date of the bid. All bids must be accompanied by an affidavit of the publisher that the newspaper is qualified pursuant to the foregoing requirements