Yeah, sometimes “travel” seems like a foreign concept to (some) vendors. Too much lawyering…
You can make that permanent via module parameters as described here. This is what I’ve done on my machine:
$ cat /etc/modprobe.d/cfg80211_regdom.conf
options cfg80211 ieee80211_regdom=US
$ cat /sys/module/cfg80211/parameters/ieee80211_regdom
US