(CNN) For the new school year, South Dakota public schools will be required to display the national motto: "In God We Trust."

A bill signed by Gov. Kristi Noem mandates that the words be on display for students to see beginning in the 2019-2020 school year.

The display can be on anything the principal feels is appropriate for their school, like a plaque or student artwork.

But there are requirements. The display must be at least 12 inches square and must be in a prominent location.

"A prominent location is a school entryway, cafeteria, or other common area where students are most likely to see the national motto display," the bill said.

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