Iowa Code Title IV. Public Health [Chs. 123-158] § 137C.23. Posting room rates

A complete list of rooms by number together with the number of the floor and the rate per day per person for each room shall be kept continuously and conspicuously posted on the wall near the office in the lobby of a hotel in such a way as to be accessible to the public without request to the management. The rate per day per person for each room shall also be posted in the same manner in each room. No amount greater than the one posted shall be charged.