Rebuilding After You Have Broken a Rule

The break has happened. Perhaps it was one override on an otherwise ordinary session, perhaps it was a morning where several rules went at once and the record of what you were thinking is already hazy. Either way the useful work starts now, and it is not the work most traders do, which is to feel bad for a while and then resolve to be better.
Resolution Is Not a Method

Promising yourself it will not happen again has an unimpressive track record, and the reason is structural. The promise is made in a state of regret, and the break occurred in a completely different state. Nothing about the environment changed, and the version of you who will face the next temptation was not present when the commitment was made.
What does transfer between those states is written material and altered circumstances. A note you will actually read, or a change to what is possible at the moment of temptation, survives the shift in mood. A feeling does not, and building a recovery on one guarantees repetition.
Describe What Happened Before Judging It

The first concrete step is a plain account of the episode written while it is fresh. What the session looked like, what time it was, how the preceding days had gone, what the justification was at the time and whether it seemed convincing then.
The instruction to describe before judging is deliberate. An account written as self criticism compresses everything into an unhelpful summary about weakness, and it omits the specifics. The specifics are the whole value, because rule breaks are situational. They happen after a particular kind of session, at a particular point in the day, following a particular kind of loss, and none of that survives being summarised as a failure of character.
Find the Condition, Not the Flaw
With a few of these accounts side by side a pattern usually appears. Overrides cluster. The common conditions might be the session after a good run, the first hour after an early stop out, a morning following poor sleep, or the specific frustration of watching a skipped setup work.
A condition is actionable in a way a character judgement is not. If the breaks concentrate after an early loss, a rule about not re entering within some period addresses it directly. If they concentrate on a particular session type, that session type can be removed from the schedule. The point is to change the situation rather than to try harder inside it.
Return in a Reduced Form
Going straight back to full operation after a serious lapse is possible and it is not the highest probability route. A better one is to return at reduced size for a defined number of sessions, with the explicit goal being compliance rather than results.
What this does is separate the two things that got tangled. The question is no longer whether you can make money back, it is whether you can execute the plan as written, and the smaller size makes that question answerable without much at stake. A stretch of sessions where every trade followed the rules rebuilds something that a profitable session with sloppy execution does not.
Write the Procedure Before You Need It
All of this works considerably better when it exists on paper before the break rather than being invented afterwards. A short recovery protocol in the plan, describing what happens after a rule break, converts an emotionally loaded situation into a checklist.
The protocol does not need to be elaborate. Record the episode, do not trade again for a specified period, review the accumulated accounts at the next scheduled review, return at reduced size for a set number of sessions. Written in advance, none of those steps require a decision at the moment they apply, which is the point of writing them.
The last thing worth saying is that treating a break as catastrophic is itself a cost. The trader who concludes they are incapable of following rules tends to either abandon the method or trade it half heartedly, both of which are worse than the original lapse. Rules get broken. The distinguishing feature of a trader who improves is not that it never happens but that each occurrence produces a specific change to the conditions, and the same one stops recurring.