(1)    Any ordinance enacted by a municipality that relates to licensure or certification of electrical contractors or electricians pursuant to the municipality’s authority under s. 101.865, 2005 stats., or s. 101.87, 2005 stats., and that is in existence on March 19, 2008, shall remain in effect until April 1, 2014, but may not be amended or repealed during this time period. Beginning on April 1, 2014, such an ordinance is no longer in effect, and municipalities may no longer impose any registration, licensing, or certification requirements on electrical contractors, electricians, or electrical inspectors.

   (2)   Beginning on March 28, 2013, and ending on March 31, 2014, all of the following apply:

      (a)    Any municipal ordinance that was in existence on March 19, 2008, and that imposed any licensing, registration, or certification requirements on electrical contractors, electricians, or electrical inspectors shall not apply to electrical contractors, electricians, or electrical inspectors who are licensed, registered, or certified by the department under this subchapter.

      (b)    A municipality that had an ordinance in existence on March 19, 2008, for licensing, registering, or certifying electrical contractors, electricians, or electrical inspectors may issue and renew licenses, registrations, or certifications but such licenses, registrations, and certifications are not valid after March 31, 2014.