OBS_VALUE: <ul><li><a href=http://www.ecfr.gov/cgi-bin/retrieveECFR?gp=&SID=d0291b9fcbf4caeadb697eb3a83df85d&mc=true&n=pt49.4.242&r=PART&ty=HTML#sp49.4.242.b target=_blank>Code of Federal Regulations(49 C.F.R. §242 (2017) Qulification and Certification of Conductors)</a></li></ul>