A. 
Except as otherwise provided in this section, each item of campaign material shall contain an authority line, set apart from any other message, that states the name, title, and address of the person responsible for the publication or distribution of the same, except that an address need not be included if the responsible person is registered with the City Clerk.
B. 
Any material that is published or distributed in support of, or in opposition to, a candidate, referendum, or election question without being directly or indirectly authorized by the candidate as provided in this section shall include the following statement: "Authorized and paid for by (name of payer or any organization affiliated with the payer). This message has not been authorized or approved by any candidate."
C. 
The provisions of this section apply to all campaign materials, including those that are distributed and published electronically and through social media.
D. 
Notwithstanding any other provision in this section, material need not contain an authority line if the item is too small to include all the information required by this section in a legible form, except that reasonable effort shall be made to include as much legible information as possible, even if in truncated form.
The posting or display of campaign materials, including, but not limited to, signs, clothing, flyers, and other displays, shall be conducted in compliance with any applicable federal, state, and local laws.