id	keyword
ftr-338	united states
ftr-338	u.s
ftr-338	tax
ftr-338	individual
ftr-338	residency
ftr-338	i.r.c
ftr-338	test
ftr-338	presence
ftr-338	home
ftr-338	treaty
ftr-338	resident
ftr-338	days
ftr-338	income
ftr-338	tax residency
ftr-338	exception
ftr-338	mexico
ftr-338	country
ftr-338	taxation