OBS_VALUE: <ul><li><a href=https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32015R0909 target=_blank>Regulation (EU) 2015/909 on the modalities for the calculation of the cost that is directly incurred as a result of operating the train servic(Commission Implementing Regulation (EU) 2015/909 of 12 June 2015 on the modalities for the calculation of the cost that is directly incurred as a result of operating the train service)</a></li></ul>