Respondent may deny a commission of unfair (labor practices).
A concealment may prevent a discovery of an unfair (labor practice).
An unfair (labor practice) may allege that something-is-the-case.
Some allegations can be constituted-of-or-filled-with unfair (labor practices).
An allegation of breach of contract can be an unfair (labor practice).
Determinations may be made within a context of an unfair (labor practice).