Tax Information Network (TIN)

It is an initiative by Income Tax Department for the modernization of the current system for collection, processing, monitoring and accounting of direct taxes using information technology. It works as a repository of nationwide Tax related information.

  • Established by: It has been established by Protean eGov Technologies Limited (formerly NSDL e-Governance Infrastructure Limited).

TIN has three subsystems viz. ERACS, OLTAS and CPLGS.

  1. Electronic Return Acceptance and Consolidation System (ERACS): ERACS consists of a system of interface with the taxpayers (TIN Facilitation Centres) and an internet supported system for upload of electronic returns of Tax Deduction at Source (TDS) and Tax Collection at Source (TCS) and Annual Information Return (AIR) to the central system of TIN.
  2. Online Tax Accounting System (OLTAS): OLTAS is used to upload the details of tax deposited in numerous tax collecting branches across the country, in a central system.
  3. Central PAN Ledger Generation System (CPLGS): It is the central system that merges the details of TDS/TCS and advances tax into the PAN.

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