> For the complete documentation index, see [llms.txt](https://standards.lnp-bp.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://standards.lnp-bp.org/rgb/lnpbp-31-standard-contractum-lib.md).

# LNPBP-31: Standard contractum lib