Competence and evaluation of auditors – ISO 19011:2018
ISO 19011:2018 7.2.5: Achieving audit team leader competence
Guidance: someone leading an audit team should have built up further audit experience that develops the leadership competence described in 7.2.3, obtained while being directed and guided by another audit team leader.
This control maps to 12 controls across 10 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.