Crossword Clue:

to state on oath

AnswerCrossword Clue
STYXAn oath on it was once held to be inviolable
WISCONSINState where protests began on February 14, 2011, that eventually led to an occupation of the capital building
SWEARState under oath.
AVOWState under oath
SWEARState under oath
DEPOSEState under oath
TESTIFYState under oath
SWEARState an oath, one way or another