The IRS letter supplies its instructions. A working outline can make unclear points easier to discuss while the complete received source stays available.
Read before making a working summary
Find the identifier, period and requested action in this particular notice. Preserve all pages and enclosures. Write what needs explanation separately from the original wording, keeping a remembered procedure from another letter open for checking. If the response concern involves an amount or another source, identify that relationship honestly. The outline introduces a question without making your interpretation the instruction received for the account.
Ask what useful assistance would address
Explain which point needs review and ask what proposed work covers. Clarify information needs, charges and any authority before proceeding. Keep the source of later explanation and retain evidence of actual action separately from the working outline. A purposeful next task can make assistance useful while missing context remains visible, rather than treating completed notes or a prepared packet as proof that an IRS response was submitted or determined.