OSIS-5297 first digit of code cannot be 0
OSIS-5297 first digit of code cannot be 0

uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/osis,uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain