Iowa Code Title IX. Local Government [Chs. 331-420] § 410.5. Membership fee--assessments

Every member of said departments shall be required to pay to the treasurer of said funds a membership fee to be fixed by the board of trustees, not exceeding five dollars, and shall also be assessed and required to pay annually an amount equal to one percent per annum upon the amount of the annual salary paid to the member, which assessment shall be deducted and retained in equal monthly installments out of such salary.