Any political body which is duly registered as provided for in Code Section 21-2-110 is qualified to nominate candidates for state-wide public office by convention if:
(1) The political body files with the Secretary of State a petition signed by voters equal in number to 1 percent of the registered voters who were registered and eligible to vote in the preceding general election; or
(2) At the preceding general election, the political body nominated a candidate for state-wide office and such candidate received a number of votes equal to 1 percent of the total number of registered voters who were registered and eligible to vote in such general election.