When so requested recorders of mortgages shall furnish a certificate in the name or names requested showing all uncancelled mortgages on a ship which operate upon the ship described in the request, and shall receive as a fee therefor the sum of three dollars for the first name and the sum of one dollar for each additional name. Whenever said certificate contains more than one hundred fifty words, he shall charge thirty-five cents for each additional one hundred words or fraction thereof.
La. R.S. § 9:5537