A business which is required to install a surveillance camera by this chapter may apply to the Police Chief for exemption from the provisions of this chapter. The Police Chief may exempt a business from such requirement if the Police Chief finds that the business has or will undertake alternate security procedures which are substantially equal to or more effective in preventing criminal activity and in assisting in the apprehension of the perpetrators of crime or for protecting employees, or the Police Chief may authorize alternate procedures on an experimental basis. The Police Chief may also authorize temporary extensions of the installation deadline provided in this chapter when a business demonstrates that it is temporarily unable to comply for good cause shown.