Northwest Accreditation Commission or NWAC board is one of the six US Regional Accrediting Agencies  that accredits a variety of schools, including K-12, elementary, middle, and high schools; schools offering distance education; non-degree-granting post-secondary institutions; and special purpose, supplementary education, travel education, and trans-regional schools  etc. It is valid.

You didn't mention where you want to take the admission for Commerce programme.

Good Luck!