In a township of 5,000 or more inhabitants which is coextensive with or included wholly within a municipality not under commission form of municipal government, in a township of more than 7,500 inhabitants which is adjacent to a city of 75,000 or more inhabitants, or in a township not described in either of the above, wherein the township central committee determines that its candidates for township officers shall be nominated by primary election, i.e., in townships where primaries are permitted, independent candidates may file their nominating petitions either:
Ill. Admin. Code tit. 26, § 203.20