(2) Nothing in this section shall restrain any person except during fairs or exhibitions or other public events or meetings on the grounds of any county fair board or of such societies, and for two days prior and two days subsequent thereto. This section does not extend to any person regularly and continuously carrying on business within one-half mile of the premises mentioned. [Amended by 1953 c.675 §12; 1969 c.239 §5; 1973 c.537 §8; 1977 c.55 §28; 2005 c.22 §385; 2005 c.777 §42; 2013 c.492 §16]