Iowa Code § 80A.13: Campus weapon requirements.

An individual employed by a college or university, or by a private security business holding a contract with a college or university, who performs private security duties on a college or university campus and who carries a weapon while performing these duties shall meet all of the following requirements:

1. File with the sheriff of the county in which the campus is located evidence that the individual has successfully completed approved firearm safety training under section 724.9. This requirement does not apply to armored car personnel.

2. Possess a permit to carry weapons issued by the sheriff of the county in which the campus is located under sections 724.6 through 724.11. This requirement does not apply to armored car personnel.

3. File with the sheriff of the county in which the campus is located a sworn affidavit from the employer outlining the nature of the duties to be performed and justification of the need to go armed.