PHMSA extends to April 30, 2014 the comment period for the proposed rulemaking published on 12/30/2013 in response to petitions submitted by industry requesting incorporation of ASME Code Section XII and the 2013 NBIC as an alternative to Section VIII, Division 1 and current HMR requirements in part 178 for the design of cryogenic portable tanks and cargo tank motor vehicles, part 179 for the design of ton tanks and part 180 for continuing qualification of the those packages. They will also consider comments filed late to the extent possible.