Look up per diem reimbursement rates and mileage deductions for business travel worldwide.

Complete
Ireland → Central Singapore Community Development Council, Singapore
Item Name Destination Amount Conditions
Meal & Lodging Singapore 536 SGD per night Overnight rate covering accommodation and three meals for a 24-hour absence abroad on official business.
Vouched Accommodation (VA) Rate Singapore 268 SGD per night Vouched Accommodation (VA) rate: paid in addition to the vouched cost of accommodation. Per Note 2 of Circular 07/2017 the VA rate should not be routinely used except for travel to Brussels, where the vouched cost of room plus the VA rate applies to all officers on overnight visits.
Daily allowance Singapore 178.67 SGD per day Ten-hour rate: applies to an absence abroad of ten hours or more without an overnight stay.
Daily allowance Singapore 89.33 SGD per day Five-hour rate: applies to an absence abroad of between five and ten hours.

Source URL:
https://www.revenue.ie/en/employing-people/documents/dper-circular-07-2017-subsistence-allowances-abroad.pdf
This source provides official travel rate information from revenue.ie.