Registers in chancery shall be appointed by the chancellors of the respective divisions, and shall have been at least twelve months before their appointment, and shall be at the time of their appointment and during their continuance in office, resident citizens of the district for which they are appointed. They shall hold office for the term for which the chancellor making such appointment was elected or appointed. Such registers shall receive as compensation for their services only such fees and commissions as may be specifically prescribed by law, which fees shall be uniform throughout the state.