The fixed procedural fees provided for in the Article 1018 A of the General Tax Code shall, in accordance with the provisions of the ninth paragraph of that Article, be increased by a sum of 210 euros, corresponding to the amount, rounded down to the nearest ten, of the maximum compensation provided for by 10° of Article R. 118 of this code for toxicological analyses to establish the presence of narcotics in the blood, in the event of a conviction for driving after using substances or plants classified as narcotics or for unintentional harm to life or physical integrity of the person by a driver who has used substances or plants classified as narcotics, pronounced pursuant to article L. 235-1 of the Highway Code or 3° of articles 221-6-1, 222-19-1 ou 222-20-1 du code pénal.