Yes, you may amend the number of headcounts in all of the modules anytime.
Increase in headcounts (Upgrade):
Payment is required before the changes take effect.
The additional cost will be prorated accordingly.
Decrease in headcounts (Downgrade):
No payment is required.
Not recommended as no refunds will be provided for previous payments.
Refer to Change Headcount for Payroll, eLeave & eClaim and eAttendance in Active Subscription for detailed steps.