The General Department of Taxation issued the Notification No. 10362 on Exchange Rate for Self-Assessment Taxpayer Regime on 17th May 2022.

The notification provides guidelines for the use of exchange rates issued by the GDT as follows and also states that the GDT will issue notifications on exchange rate on its website from June 2022 onward.

1. Daily official exchange rate
Taxpayers shall use the official exchange rate issued daily by the GDT for KHR currency for the price of the invoice. If the GDT doesn’t issue its official exchange rate on a certain day, taxpayers shall use the latest exchange rate issued by the GDT as of the day.

2. Official exchange rate for ToS
Taxpayers shall use the official exchange rate issued by the GDT on the 15th day of each month for calculating tax on salary tax. If the GDT doesn’t issue its official exchange rate on the 15th day of a certain month, taxpayers shall use the latest exchange rate issued by the GDT as of the day.

3. Monthly official exchange rate
Taxpayers shall use the official exchange rate issued by the GDT on the last day of a certain month for calculating monthly tax.

4. Annual official exchange rate
Taxpayers shall use the official exchange rate issued by the GDT on the 31st day of December for calculating annual tax.