Would you classify this email as an advertisement or an account update?

Only 4 hours left in 2020 to make your support known for public radio in the Ozarks! As always, your year-end contribution is tax-deductible.

Don't wait until the ball drops to make your donation...give now, and enjoy the countdown to midnight knowing you've done your part to help the programs you rely on thrive in the year to come.
This email is likely classified as an advertisement. It contains a call to action to donate money before the end of the year, which is a common tactic used by charities and nonprofit organizations to encourage donations during the holiday season. Additionally, the email highlights the tax-deductible nature of the donation, which is another common advertising strategy.