Every income tax return filed digitally undergoes computerized preliminary processing at the Centralized Processing Centre (CPC) in Bangalore. Upon processing, the department issues a statutory document under Section 143(1) of the Income Tax Act known as the 'Intimation'. This notice is not an accusation of wrongdoing; rather, it represents the automated comparison between the figures declared by the taxpayer in their ITR and the figures computed by the CPC's processing system.
Statutory Framework & Key Operational Rules
An Intimation under Section 143(1) falls into one of three categories: (1) Intimation with No Demand or Refund, where the taxpayer's computation matches the CPC system exactly; (2) Intimation with Refund Determined, confirming that excess taxes paid will be credited electronically with Section 244A interest; or (3) Intimation with Tax Demand, where CPC disallows certain deductions, finds mismatched TDS credits, or detects unreported interest income, resulting in an additional tax and interest liability under Section 234A, 234B, or 234C.
Maintaining accurate books of accounts and reconciling statutory ledgers (GSTR-2B, Form 26AS, AIS/TIS) prior to filing prevents automated scrutiny notices, penal interest under Section 50/234, and disallowed business expenditures.
Procedural Compliance & Professional Advisory
When a tax demand is raised, the notice displays a two-column comparison table highlighting exactly where differences occurred. If the demand arises from clerical oversights or processing errors (e.g., eligible 80C deductions omitted or valid TDS credits not matched), the taxpayer should not pay blindly. Instead, they should submit a formal online Rectification Request under Section 154 or file an updated response through the e-Filing portal within 30 days. Expert tax practitioners review 143(1) orders to correct system mismatches and cancel erroneous tax demands.