half breakers not allowed?

[John Arnold]

Has anyone heard of a local code not allowing the use of half size breakers in a panel that is designed for them?

[Michael Thomas]

Prohibited in new work in Evanston IL.

[John Arnold]

Michael - Thanks.

[Jerry Peck]

Prohibited in new work in Evanston IL.

Michael,

They specifically have a code addendum stating that?

How is that worded? Does it also preclude full-size-but-tandem breakers?