There are different operational requirements dependent on
the regulatory domain. This attribute list describes the
regulatory domains the PLCP and PMD support in this
implementation. Currently defined values and their
corresponding Regulatory Domains are:
FCC (USA) = X'10'
DOC (Canada) = X'20'
ETSI (most of Europe) = X'30'
Spain = X'31'
France = X'32'
Japan = X'41'