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(c) Per se Offenses. The following activities are deemed to comprise creating excessive sound in violation of this section, without any requirement of scientific measurement of sound levels: (1) A person blowing a car horn when it is not reasonably necessary to do so for legitimate safety or emergency purposes. (2) A person operating a sound system in a motor vehicle at a sound level that, when heard in another vehicle with the windows closed, interferes with normal conversation, interferes with normal use or enjoyment of a car radio, interferes with use of a communication system (such as a cell phone, car telephone, citizens band radio, or police radio), or creates physically perceptible vibrations. (3) A person allowing an animal to make sound that unreasonably and repeatedly disturbs another person in his or her residence after being requested to stop. (4) A person operating a motor vehicle that generates loud exhaust sound without having a muffler that meets all applicable motor code requirements. (5) Sound that unreasonably interferes with the functioning of a court of law, religious activities at an established place of worship, a medical facility, or the conduct of government activities in a governmental building. (d) Offenses Requiring Scientific Measurement of Sound Levels. The following sound levels shall be deemed to be excessive sound in violation of this section, when measured outside the real property line of the sound source. The zone shall be determined by where the sound is measured, not where it is generated. (1) Residential zones; night. In a residential zone between 10 p.m. and 6:00 a.m., sound meeting or exceeding 55 dBA. (2) Residential zones; day. In a residential zone between 6:00 a.m. and 10:00 p.m., sound meeting or exceeding 65dBA. (3) Commercial zones. In a commercial zone, sound meeting or exceeding 75dBA. (e) Scientific Measurement Procedures (1) The decibel level of any noise regulated by the preceding subsection may be measured by the use of a sound level meter. Such measurements shall be accepted as prima facie evidence of the level of noise at issue in any court or legal proceeding to enforce the provisions of this section. (2) The accuracy of the sound level meter may be tested by a calibrator. Any sworn report of the results of any test of the calibrator for the accuracy of a sound level meter shall be admissible in court in any criminal or civil proceeding, as evidence of the facts therein stated. (3) An individual operating a sound level meter pursuant to the provisions of this section shall issue a certificate to indicate: