> For the complete documentation index, see [llms.txt](https://docs.labii.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.labii.com/widgets/section-widgets/regulation/signature.md).

# Signature

## Overview

The Signature category provides section widgets for managing electronic signoff workflows directly within Labii ELN and LIMS records. These widgets help laboratories control authorship, witnessing, ordered approvals, and rejection-based corrections while keeping the signature trail attached to the same record as the underlying work. They are especially useful in Good Laboratory Practice and FDA 21 CFR Part 11-style workflows where document locking, signer identity, and audit-ready approval history must remain explicit. Use this category when record-level approval needs to happen in context rather than through a separate external signing process.

## Widgets

* [Signers](/widgets/section-widgets/regulation/signature/signers.md) - Manage ordered electronic signatures and witness workflows