> For the complete documentation index, see [llms.txt](https://docs.carbovalent.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.carbovalent.com/bridge/morpheus-carbon-bridge/prerequisites-to-bridge/eligibility.md).

# Eligibility

Carbovalent will only bridge carbon credits that have been issued within 10 years of the vintage end date.

#### For example: a vintage is from 1st of January 2010 to 31st December 2010. Only credits that have been issued on or before 31st of December 2020.