入息组别 meaning in Chinese

income band
income bracket
income group
income scale
income spectrum

Upper income band
上层入息组别
Projected tax savings of taxpayers by income group after implementation of the proposed extension
建议实施后估计不同入息组别纳税人节省税款的情况
Estimated tax saving of taxpayers by income group after implementation of the proposed salaries tax measures , please see
建议的薪俸税措施实施后估计不同入息组别纳税人节省税款的情况，请参阅