As nouns the difference between reconsideration and redetermination
is that reconsideration is the act of reconsidering or something reconsidered while redetermination is (finance) to calculate (or to make a fiscal determination) again.
redetermination
English
Noun
(
en noun)
(finance) To calculate (or to make a fiscal determination) again.
References
*http://dictionary.reference.com/browse/Redetermination