| A dual citation system exists for federal immigration statutes. One is
the Immigration and Nationality Act ("INA") classification. A parallel system
lists the statutes in Title 8 of the United States Code. Identical immigration
statutes appear in both, but with differing section numbers that do not
match. Also, cross-references to other immigration statutes use only the
numbers of the statutory collection being referenced. Federal immigration
regulations generally follow the INA classification, as do immigration court
decisions, so for a quick reference to regulations implementing a certain
statute or understanding immigration judge decisions, the INA system is
probably superior as a source. But many federal appellate court judicial
decisions, and congressional research materials refer to or can be accessed
much more easily using the numbers assigned to the statutes by the United
States Code. There are tables in hard copy paper works and flat computer
files to make finding the parallel citation easier from one system to another,
and some INA collections give the parallel U.S.C. Code citation, but nothing
employing computer search online. I developed this tool to fill the gap.
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