America has two national budgets one official one unofficial.
A typical native New Yorker I'm prone to wearing the city's unofficial sartorial color: black.
Americans have an expectation that the Postal Service will abide by its well-known although unofficial motto - a commitment to deliver.
A free society will abide unofficial private discrimination even when that means allowing hate-filled groups to exclude people based on the color of their skin.
I am a very big proponent of opening the borders with India. Most of our trade is done through unofficial channels. Why not open the trade?
Science fiction writers I am sorry to say really do not know anything. We can't talk about science because our knowledge of it is limited and unofficial and usually our fiction is dreadful.
Some people call me the unofficial mayor of Castro Street.
I don't like this official/unofficial distinction. It sound er officious.
Greetings cybernuts! This is I.B. Nosey your official unofficial reporter!
Hollywood in many ways serves as the unofficial ministry of propaganda for the United States.
Pigs are very intelligent. They're very misunderstood. Yet they're sort of man's unofficial best friend.
I have named myself an unofficial ambassador for Australia and I have the biggest mouth on Earth.
There are 22 million people who have some point in time played hooky from work or school so it's already an unofficial holiday
Every citizen of the republic ought to consider himself an unofficial policeman and keep unsalaried watch and ward over the laws and their execution.
In the West since the collapse of communism and the fall of the Soviet Union the one discipline both the official and unofficial cultures have united in casting aside has been history.