1Henceforth, all official correspondence must be copied to the legal department before dissemination.
2Is it your intention that this policy shall henceforth govern every such transaction without exception?
3The treaty does not merely suspend hostilities but declares that peace shall henceforth prevail between the two nations.
4Let it be recorded that henceforth no member of this society shall be denied a hearing on grounds of seniority alone.
5There is a weight to the word 'henceforth' that signals an irrevocable break with what has gone before.