# Botmark > Botmark showcases graphical, audio, and spoken disclosure marks for IEEE 3152-2024, the IEEE Standard for Transparent Human and Machine Agency Identification. Use of the marks is subject to IEEE's terms and appropriate licensing. ## Marks and adoption - [Overview](https://botmark.org/): Purpose of the agency identification marks. - [Graphical marks](https://botmark.org/#marks): Five agency categories in outline, fill, and colour styles. - [Audio and voiced disclosures](https://botmark.org/#audio): Audio marks and reference recordings in English, German, and Chinese. - [Downloads](https://botmark.org/#downloads): Graphical and audio bundles and the symbols overview PDF. - [About the standard](https://botmark.org/#about): Background and links to IEEE 3152.