When a public carrier vehicle operates in more than one municipality or parish, the insurance policy required by R.S. 45:200.4, or permitted under R.S. 45:200.5 and 45:200.6, together with the statement of financial responsibility required under R.S. 45:200.6, shall be filed with the duly designated authority of the municipality or parish in which the owner has his principal place of business, who shall issue copies of the certificate, which shall be filed by the owner with the duly designated authority of every other municipality or parish in which said vehicle is operated.
La. R.S. § 45:200.10