Each such policy of insurance shall provide for the payment to every volunteer member of such fire department receiving any injury, which injury was sustained through accidental means and was caused by and arose out of the duties of such member as a volunteer fireman, causing a disability which prevents such member from pursuing his usual vocation, as follows:
In such cities, villages and incorporated towns having a population of less than 1,000, a weekly indemnity of not less than $20,
In such cities, villages and incorporated towns having a population of 1,000 or more, a weekly indemnity of not less than $30.
Every such policy shall further provide:
This amendatory act of 1973 does not apply to any municipality which is a home rule unit.
65 ILCS 5/10-5-2