A date matters to the explanation when its source and relationship to the particular penalty remain clear.
Identify the penalty before describing the event
Have the tax period, notice reference, and stated penalty available. Then summarize the relevant circumstance or request you want examined. Discuss the penalty shown on the notice and the circumstances you want examined at (855) 494-5639. Keep supporting records nearby without first transmitting private event or tax information through an unconfirmed channel.
Clarify who would examine and track the question
Ask which evidence is needed, the proposed review task, and the appropriate exchange method. If professional assistance is offered, request its authorization, fees, and follow-up responsibility. Retain an agreed next step separately from a submitted request or authority decision. Calling through this site does not establish reasonable cause, apply administrative relief, or determine the status of an individual penalty.