The typical sequence for IRS collections notices if CP14, CP501, CP503, CP504, and then the dreaded LT11 or CP90. But can the IRS go straight from the CP501 to the CP504, effectively "skipping" sending the taxpayer a CP503 Notice? Logan Allec, CPA answers this question in this video and then shares some more information about the CP503 Notice itself and in particular how it differs from the CP504 Notice.