'upon justification' is correct and can be used in written English.
You can use it to indicate that something happened/will happen when certain criteria are met, as in the following example sentence: "The teacher will provide extra credit upon justification of the student's effort."
The fact that such attempts did not succeed led to new reflections upon the justification of claims to exclusive possession of absolute truth.
It is widely agreed that the existence of an analogy depends ultimately upon the justification for the analogical decision.
They will rely upon any justification they can find.
But against a backdrop of a poorly performing economy and tepid economic growth, now is not the time for midnight regulations, let alone unfounded and unnecessary rules that sit upon flimsy justification.
Second, the Court relies heavily for justification upon international uniformity of terms.
His interests led him to develop a philosophy of culture, and his status as Japan's premier philosopher led government officials to call upon him for justification of Japanese expansionism in the late 1930s and early 40s.
Many look upon theatre, sometimes with justification, as the place for a snooze in the dark.
Neither the New York statute nor courts purported to equate this ground for dismissal with 'disloyalty.' That term, which carries a distinct connotation, was never relied upon by New York as justification for appellant's dismissal.
"any person who, without justification, intrudes upon the solitude or seclusion of another or into his private affairs or concerns in circumstances where the latter has a reasonable expectation of privacy should be liable under the law of tort if the intrusion is seriously offensive or objectionable to a reasonable person". (HKLRC Report, Civil Liability for Invasion of Privacy, 9 December 2004).
A discussion of Williamson's view would take us too far afield, however, and in what follows I will continue to suppose that our understanding of knowledge is parasitic upon our understanding of justification, and not vice versa.
Certainly, his victory does not mean that his administration now has a mandate for invading foreign countries based upon erroneous justifications, presiding over a continued rise in people without health insurance, or increasing the federal deficit to record new heights.
