Conventional Commits does not make an explicit effort to define revert behavior. Instead we leave it to tooling authors to use the flexibility of types and footers to develop their logic for handling reverts.
One recommendation is to use the revert type, and a footer that references the commit SHAs that are being reverted:
revert: let us never again speak of the noodle incident
Refs: 676104e, a215868
It looks like it is not defined but recommended:
Should we add similar section in the doc?