Long Entity and Other than Long Validity process.Figure 3.12.179–11, shows two flowcharts explaining validity processing for Long Entity and Other than Long Entity. Long Entity Chart: First Box SSA, next Box DM-1Process splits into Valid and Invalid SegmentsValid Segment side TC 150, TC 430 or TC 140 that match SSN but mismatch on Master File name control and on first 4 characters on first name line of the document. UP 156 Invalid Segment side A TC 150, TC 430 or TC 140 that mismatches on SSN, continues to UP 176A TC 150, TC 430 or TC 140 that matches on SSN but mismatches on Master File name control, continues to UP 153Next is the Other than Long Entity ChartStart box SSA, next Box DM-1Process splits into Valid and Invalid SegmentsValid Segment Side has three options Option one is No account established on Master File, then UP 151 Option two, TC 150, TC 430 or TC 140 that match SSN but mismatch on Master File name control and on first 4 characters of first name line of the document, then UP 156Option three, TC's other than TC 150, TC 430 or TC 140 which match on SSN but mismatch on Master File name control, then UP 152Invalid Segment Side has two options No account established on Master File, then UP 151A mismatch on Master File name control, then UP 152