The following types of content are unconditionally prohibited:
- Criminal or illegal content
- Explicit underage sexual content
- Bigotry or hateful content
- Violations of UTAU's Usage Policy
- Content created for erotic purposes using any character under 18 years old
Additionally, the use of voicebanks' content and image with any form of AI (such as, but not limited to: in AI voice creation, TTS, AI-generated images, using them as part of a dataset or training, etc.) without permission is prohibited. This also applies to any work created using a voicebank's contents (Such as a vocal track created using UTAU). Involving voicebanks' content and image with any form of blockchain or NFT is also prohibited.
Outright, heavily political and religious content are prohibited. Music featuring these topics as themes to serve an artistic purpose are permitted (Such as "Lose Your Head" and "Collared" by Vane, "Aura" and "Honey I'm Home" by Ghost, "Propaganda!" by Crusher, etc.).