Artists and publications can enter both published and unpublished works in the competition, excluding ones that won any past Japan International Manga Awards. The entries must include a manga of more than 16 pages that the artist has produced within the past three years. Either the artist or writer of the entry must be a Non-Japanese national.
The website describes the competition:
The Ministry of Foreign Affairs founded the International MANGA Award in 2007 for the purpose of expanding international exchange and mutual understanding through the MANGA culture which is widely accepted around the world.
This award honors MANGA artists who contribute to the development of MANGA culture in the world.
The award ceremony for the 15th Japan International Manga Award took place at the Tokyo Convention Hall on March 4. Aimée de Jongh won the Gold award for Days of sand. The award ceremony for the 16th iteration will take place in Tokyo in February 2023.