The following are prohibited with sound sources and characters:

• To use it to lower the sound source

• To use it to make other people uncomfortable or hurt

• To use it to make political or religious solicitations or slander

• To alter and publish or redistribute without notice

• Mixing data of another UTAU and one listed here

• To use it to make a discriminatory expression

Redistribution of any voice banks, sound sources, or characters is strictly prohibited.​​