Bal: highlights correction or replacement of the first expression.
Lakin: preserves a denial and affirms an appropriate subsequent statement.
For reports, there can be room to correct an identification or the asserted cause of a claim. For performative legal acts and contracts, the mere addition of a particle does not necessarily undo a completed effect.
Coherence, continuity, the legally effective subject, and the substantive rules of the transaction must all be considered.