HRP is an integrated HR and Payroll system developed to replace HRMS and Resource Online It covers the end to end lifecycle of an employee from recruitment to exit and re-employment. Human Resource and Payroll (HRP) is a Whole-of-Government HR and Payroll portal that streamlines processes and integrates all HR and Payroll systems across all Ministries, organs of state and 11 Statboards. Human Resource Portal (HRP) - Use SingPass to Log In For ACSJ Staff to submit AV or IT requests for resources and services.