Idaho Code § 72-447: Recurring dermatitis.

A person who has suffered disability from dermatitis and has received income benefits therefor shall not be entitled to income benefits for disability from a later attack of dermatitis due to substantially the same cause, unless immediately preceding the date of the later disablement he has been engaged in the occupation to which the recurrence of the disease is ascribed and under the same employer for at least sixty (60) days.