(a) Foreign creditors have the same rights regarding the commencement of, and participation in, a case under this title as domestic creditors.

(b)

(1) Subsection (a) does not change or codify present law as to the priority of claims under section 507 or 726, except that the claim of a foreign creditor under those sections shall not be given a lower priority than that of general unsecured claims without priority solely because the holder of such claim is a foreign creditor.

(2)

(A) Subsection (a) and paragraph (1) do not change or codify present law as to the allowability of foreign revenue claims or other foreign public law claims in a proceeding under this title.

(B) Allowance and priority as to a foreign tax claim or other foreign public law claim shall be governed by any applicable tax treaty of the United States, under the conditions and circumstances specified therein.