Hugh, this version was used at Camp Morton, Indiana
I, ---------------- do Solemnly Swear in the presence of Almighty God that I will
henceforth faithfully support protect and defend the Constitution of the United
States and the Union of the States thereunder and that I will in like manner abide
by and faithfully support all acts of Congress passed during the existing Rebellion
with reference to Slaves so long and so far as not repealed modified or held void by
Congress or by decision of the Supreme Court and that I will in like manner abide
by and that I will in like manner abide by and faithfully support all proclamations
of the President made during the existing rebellion having reference to Slaves so
long and so far as not modified or declared void by decision of the Supreme Court
so help me God.
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Sworn & subscribed this ---- day of ----. 186-
There was still debate to the legality of emancipation. Most likely the 13th & 14th amendments had not be foreseen.