IETF standards incorporated in laws ?

["John R. Levine" <johnl@xxxxxxxx>]

Laws often use standards published by private organizations.  For example, 
most state building codes in the US require that construction comply with 
the National Electrical Code published by the private National Fire 
Protection Association.  This has caused some interesting situations when 
you have to buy a copy of the standard to find out what the law is.  (Blog 
post coming soon.)

Our standards don't have that problem since we long ago decided to give 
them away for free.  Are there laws in the US or elsewhere that use IETF 
standards?

I took the direct approach of searching the Cornell LII's US law archive 
for "RFC".  There were about a dozen RFC references in the Code of Federal 
Regulations, and a lot court cases about the depression-era Reconstruction 
Finance Corp., but nothing in a statute.

R's,
John