In those unusual instances when entities have no historical data, only current reporting year data need be reported.

An unusual instance of a male incubating a clutch of eggs has been reported.

It is an unusual contemporary instance of Egyptian Revival architecture, a style more popular in the nineteenth century.

Therefore, abortion is not acceptable under any circumstance except in the rare and unusual instance where the life of the mother is at real risk.

Skeptics sought refuge in other explanations, but after the next three days, they found themselves being converted - at least for this one, unusual instance.

But in those unusual instances when something does go wrong, then you need the human involvement.

The whole represents an unusual and rare instance of continuing Catholic use from at least the eighteenth century.

All the capital came from Twain, an unusual instance of an author's investing his writerly earnings in publishing other writers.

And it represented the highly unusual instance of no-hitters by three "prestige" pitchers in one season.

The incident appears to be a highly unusual instance of art being stolen for political ends.