Iowa Code Title III. Public Services and Regulation [Chs. 80-122C] § 100D.2. License required

a. An employee of a fire extinguishing system contractor working as an apprentice fire protection system installer and maintenance worker performing fire protection system installation or maintenance under the direct supervision of an on-site responsible managing employee or licensed fire protection system installer and maintenance worker is not required to hold a current, valid fire protection system installer and maintenance worker license.

b. A person who demolishes fire protection system components is not subject to the provisions of this chapter when the work involves a complete sprinkler system. A person is not required to be licensed in order to demolish part of a system or a partial system, provided that the system is taken out of service. If a system is restored to service after having been taken out of service, the restoration work must be performed by a person licensed pursuant to this chapter or a responsible managing employee.

c. A person who is a responsible managing employee of a fire extinguishing system contractor is not required to hold a current, valid fire protection system installer and maintenance worker license in order to perform fire protection system installations or maintenance.

d. A trainee who works at all times under the direct supervision of a licensed fire protection system installer and maintenance worker, other than an unclassified person, may be licensed to work on special hazard fire protection systems but shall not be licensed to perform installation or maintenance on a preengineered fire protection system or on an engineered water-based fire protection system. A trainee license may be renewed once and a person may work as a trainee for a maximum of four years.