According to HR Circular 027/2022, the following subsistence rates for Ireland are applicable from Effective from 1st September 2022

Standard Domestic Subsistence Rates - Effective from 1st September 2022

Overnight Rates 

Normal Rate     Reduced Rate    Detention Rate
€167.00              €150.30             €83.50

Day Rates Remain

10 hours or more                   5 hours but less than 10 hours
€39.08                                    €16.29

Vouched Accommodation (VA) rate for Dublin 1st September 2022 

Vouched
Accommodation
(“VA”) Rate             Accommodation                                                                    Meals   

VA Rate                  Vouched cost of accommodation up to €167.00                   Plus €39.08