The online service had been previously suspended, in the wake of restrictions imposed by the Cambodian Government due to the COVID-19 pandemic. Travelers had been required to apply directly for visas at Cambodian Embassies or Consulates worldwide.
The E-Type Visa is single entry only and valid for 30 days stay in Cambodia. Once issued it has a 3-month validity.
However, travelers to Cambodia will still be required to supply valid health insurance as well as supporting documents such as a sponsorship letter from a Cambodian business or a certificate of employment.
In addition, the normal 14-day quarantine after entry to Cambodia will be in place.
According to khmertimeskh.com