When purchasing real estate, you need to pay stamp duty.

The price of this product is 3000 yen, tax excluded.

The price of this product is 5000 yen excluding tax.

The price of this product includes tax.

The price of this product is exclusive of tax.

The government is considering the introduction of a carbon tax.

The government has decided to invest tax revenue in education and healthcare.

I received a notification of the finalization of the tax return.

From his actions, I thought it was a sure thing (Internet slang).

The government has announced a new policy to support the lives of the poor.