Koçak, A.Ö.; Kemal, M. 2010: Nomenclatural notes on the genus group names of the order Diptera. Centre for Entomological Studies Ankara miscellaneous papers, 151: 5-7. [See p. 7]
Unintended disagreements occur when a parent (B) is
thinned by swapping a child (E) to another part of the
taxonomic tree, resulting in existing IDs of the parent being interpreted
as disagreements with existing IDs of the swapped child.
Identification
ID 2 of taxon E will be an unintended disagreement with ID 1 of taxon B after the taxon swap
If thinning a parent results in more than 10 unintended disagreements, you
should split the parent after swapping the child to replace existing IDs
of the parent (B) with IDs that don't disagree.