(a) No person employed as a private or confidential investigator shall undertake to determine the attendance or number of paid admissions at a public place of amusement and entertainment without first displaying to the owner or manager of such place his license or credentials as such investigator and receiving acknowledgment thereof in writing and filing a written and signed copy of such investigation and attendance record with the owner or manager immediately after the showing so checked and receiving acknowledgment thereof in writing.
(b) No evidence or testimony of any such investigator as to such admissions shall be admitted in any court in this state unless compliance with subsection (a) of this section is shown.
(c) Blind checking, also known as spot or random checking, of those attending public places of amusement and entertainment is declared to be against the public policy of the State of Arkansas, and any data, figures, or statistics compiled as a result of blind checking shall not be admitted as evidence in any case at law or equity.