For entertainment purposes only. Laws may have changed. Not legal advice.
Food Iowa

It is unlawful to pass off margarine as real butter.

Status: Still Enforced / On the Books

The Law Explained

Iowa takes its dairy industry incredibly seriously. To protect local farmers from the rising threat of cheap synthetic spreads in the 20th century, the state mandated strict truth-in-labeling for dairy products. Trying to sneak oleomargarine onto a diner's toast while calling it 'butter' is a direct offense to the state's agricultural heritage.

๐Ÿ“š Source / Legal Code

Official Code Citation: Iowa Code ยง 192.143
Where to look:

Agriculture and Dairy Regulations

Disclaimer: This information is for entertainment purposes only and may not reflect current law. Always consult a qualified attorney for legal advice.