Before assuming the duties of office, each deputy and clerk of a register shall take and subscribe the following oath:
I, (name), do swear that I will not for money, profit, or malice delay any person who applies to me for any business of the office of the register, or directly or indirectly ask, take, exact, demand, or receive from or charge to that person to my own use any fee or reward for any service I may do as a deputy or clerk of the register, and that in charging the fees of the office of the register I will not willingly charge other or higher fees than the law allows.