All license taxes on dogs are due annually on the anniversary date of the administration of the rabies vaccination; provided that as soon as a dog becomes no more than six months of age the owner of the dog shall be liable to pay the license tax for the year in which the dog reaches such age.
La. R.S. 3:2776
Time for paying dog license tax
Acts 1992, No. 131, §1.
Official source: Louisiana State Legislature. Reproduced from public-domain Louisiana statutes; confirm against the official source for the current text. Not legal advice.