Upon sale of a hearing aid device, the licensee shall provide to the person a sales receipt, which will include the following:
* The date of sale;
* Specific warranty terms, including whether any extended warranty is available through the manufacturer;
* Specific return policy; and
* Whether any trial period is available.
"The purchaser has been advised that any examination or representation made by a licensed hearing aid specialist in connection with the fitting or selection and selling of this hearing aid is not an examination, diagnosis, or prescription by a person licensed to practice medicine in this state and therefore, must not be regarded as medical opinion or advice."
Iowa Admin. Code r. 481-2062.3