A

• Aadhaar OTP: One-time password sent to Aadhaar-linked mobile for e-verification.
• AIN (Accounts Office Identification Number) of PAO/DTO/CDDO: 7 digit identifier mandated for Govt statements when deposit is via book adjustments (BIN/24G)
• Assessment Year (AY): Year following the FY in which income is assessed.
• Aggregate TDS Compliance Report: Consolidated filing & compliance view.
• AIS (Annual Information Statement): Statement showing broad financial transactions.
• Acknowledgement / Token Number: Unique reference for filed TDS statements.
• Applicable Rate of TDS: Rate defined under the Income‑tax Act for each section.
• Authorized Person (TRACES): Registered representative for a deductor.
• Annexure (TDS Statement): Additional schedules/details attached with TDS/TCS statements and forms.
• Adjustment u/s 201: Computation for short or late deduction/payment.
• Application for Lower/NIL Deduction (u/s 197): Request by deductee to reduce TDS rate.
• Auto‑population: Prefill of challan/deductee details from previous records.

B

• BIN (Book Identification Number): Identifier for TDS deposited via book adjustment.
• Book Adjustment: Govt deductor remits TDS via accounting entry instead of challan.
• BSR Code: Bank branch code used in challan identification.
• Bulk PAN Verification: Tool to verify multiple PANs simultaneously.
• Branch‑wise Mapping: Mapping multiple branches under same TAN.

C

• CPC (Centralized Processing Cell): ): Income Tax Department’s center that processes TDS/TCS statements and issues intimation and provides justification reports.
• Challan: Proof of tax payment (via OLTAS) used to map payments in TDS/TCS.
• Correction Statement: Revised TDS/TCS sstatements filed to fix errors (PAN, challan, deductee, etc.).
• Conso File (Consolidated File): Statement file downloadable from TRACES for preparing correction statements.
• CIN (Challan Identification Number): BSR code + date + challan number.
• Correction Categories (C1–C9): Groups of allowed correction types.
• Challan Serial Number: 5-digit number issued by the bank for each tax payment challan.
• Collector (TCS): Collection Codes: A numeric or alphanumeric code that identifies the nature of receipt as specified under a particular section of the Income-tax Act.
• Collector (TCS): Person/entity responsible for collecting tax at source.
• Collectee: The person or entity from whom tax is collected at source.
• Consumption of Challan: Mapping challan amounts to deductees.
• Credit Mapping: Reconciliation of deposited tax vs deductees.
• Cancelled/Overreported Challan: Challan incorrectly reported or duplicated.
• CSV Template: Standard format for uploading multiple records in the TDS/ TCS statement.

D

• Deductor: Person/entity responsible for deducting TDS.
• Deductee: Person from whom TDS is deducted.
• Demand Notice: Notice issued for pending dues.
• Default Summary: Overview of errors/defaults for the quarter.
• DSC (Digital Signature Certificate): Required for authenticated actions in TRACES.
• Due Dates (Statements): Quarterly deadlines for filing TDS/TCS returns.
• Download Manager: TRACES utility for secure downloads.
• DDO (Drawing & Disbursing Officer): Govt official deducting TDS.
• Duplicate PAN: PAN repeated across entries incorrectly.
• Defaults:Issues/irregularities identified in CPC processing (short payment, short deduction, late payment, late deduction, late filing fee, interest).
• Digital Signature Certificate (DSC): Electronic signature used for secure filing of TDS statements.
• DTAA: Double Taxation Avoidance Agreement

E

• e‑TDS: Electronic filing of TDS/TCS quarterly statements through online or offline mode.
• E‑Tutorials (TRACES): TRACES learning resources.
• ERI (e‑Return Intermediary): Authorized agent for filing returns.
• Error Code: FVU/processing error indicator.
• EVC (Electronic Verification Code): Alternative verification method.

F

• Financial Year (FY): Year in which income is earned.
• FVU (File Validation Utility): Validator for statement files.
• Form 16: Salary TDS certificate.
• Form 16A: Non‑salary TDS certificate.
• Form 24Q / FN 137: Quarterly TDS statement for salary payments.
• Form 26Q / FN 139: Quarterly TDS statement for payments other than salary payments.
• Form 27Q / FN 143: Quarterly TDS statement for payments to non-residents (excluding salaries).
• Form 27EQ / FN 142: Quarterly TCS statement.
• Form 27D: TCS certificate.
• Form 26AS: Comprehensive tax credit statement.
• Form 24G: Govt book‑entry TDS return.
• Form 26QB/26QC/26QD: TDS for special transactions.
• Fee u/s 234E: Late filing fee.

G

• Grievance Module: TRACES issue reporting system.
• Government Deductor: Govt body deducting TDS.
• Grossing Up: Adjusting gross to match net payable after TDS.

H

• HUF (Hindu Undivided Family): Tax entity in TDS context.
• Higher Rate u/s 206AA: Applied when PAN not provided.
• Higher Rate u/s 206AB: Applied to specified non‑filers.
• High‑Value Transactions (SFT): Transactions reported for compliance.

I

• Interest: Interest for delay in deduction or collection /deposit of TDS/ TCS u/s 398 of the Income Tax Act 2025.
• Intimation: Communication after CPC processing.
• Invalid PAN: PAN not matching ITD records.
• Invalid Challan: Challan mismatch with OLTAS.
• Intimation u/s 200A: Automated statement processing summary.

J

• Justification Report: Detailed explanation of defaults.

K

• KYC (TRACES): Authentication via challan/token/PAN.

L

• Late Filing Fee:Fee for late submission of TDS/TCS statements u/s 427 of the Income tax Act 2025 —calculated per day of delay.
• Lower Deduction Certificate (197): Certificate permitting reduced TDS.
• Ledger (Deductor Dashboard): Summary of challans & balances.

M

• Matching Status: Matching result for challans/deductees.
• Manual Demand: Demand raised manually by AO.
• Minor Head Codes: Code mentioned on challan, indicating nature of payment (100, 200, 400, 500).
• Mapping of Challan: Allocation of challan to transactions.
• Mapped Amount: Portion of challan/BIN amount allocated to specific deductee rows.

N

• NSDL/Protean: Provider of TDS infrastructure (TIN/OLTAS).
• Non‑Resident Deductee: Deductee governed by NR TDS rules.
• Nil Statement: Statement filed when no TDS occurred.
• Name Mismatch: PAN‑name inconsistency.
• Notice of Demand: Official demand for tax dues.

O

• OLTAS: System tracking tax challan payments.
• Online Correction: TRACES correction facility.
• Original Statement: First filed valid return.
• Outstanding Demand: Amount pending payment.
• Overbooked Challan: Consumed beyond deposited value.

P

• PAN: Permanent Account Number.
• PRN / Token Number: Unique filing acknowledgement.
• PAN Verification: Validation service.
• PAO: Govt accounting office for TDS.
• Processing Status: Current return status.
• Penalty u/s 271C: Penalty for non‑deduction/payment.
• Prosecution u/s 276B/276BB: Penal action for defaults.
• Password‑Protected Files: Secure TRACES downloads.
• Profile (TRACES): Deductor’s registered details.
• Paperless Correction: Fully online correction.

Q

• Quarterly Statements: : TDS/TCS statements are filed every quarter (Q1–Q4) in prescribed forms.
• Quarter‑End Due Dates: Filing deadlines for each quarter.
• Query/Request Tracker: Tracks TRACES service requests.

R

• Refund / Refund Reissue: Request for refund or reissue.
• Revised Statement: Corrected version of original return.
• RPU (Return Preparation Utility): Utility used to prepare and validate TDS/TCS statement
• Regular Statement: Standard quarterly statement.
• Rate Chart: Section‑wise TDS/TCS rates.
• Reason Codes: Codes explaining errors.
• Remark Codes: Notes added to deductee records.
• Reprocessing Request: Request to reprocess a statement.
• RRR/ Return Receipt Number: Acknowledgement number generated on successful statement filing.

S

• Statement Status: Processing status on TRACES (submitted, processed with defaults, processed without defaults, etc.).
• Short Deduction: Deduction less than required.
• Short Payment: Depositing less TDS than deducted.
• Statement Statistics Report: Quarterly summary.
• Section Code: A numeric or alphanumeric code that identifies the nature of payment as specified under a particular section of the Income-tax Act.
• Surcharge: Additional tax above base income tax.
• Salary TDS (192): TDS on salaries.
• Section 206C (TCS): TCS compliance rules.
• SFT: Statement of Financial Transactions.

T

• Tax Year (TY): Tax year means the twelve months period of the financial year commencing on the 1st of April.
• TAN: Identifier for TDS/TCS deductors.
• TDS: Tax deducted at source.
• TCS: Tax collected at source.
• TRACES: TDS reconciliation and correction portal.
• Transaction Date: Date triggering TDS obligation.
• TIN‑FC: Facilitation centers (legacy).
• Threshold Limit: Minimum value requiring TDS.
• TDS Default: Errors identified during processing.
• Tax Point: Date TDS becomes applicable.
• Treasury: Govt accounting authority.

U

• Unconsumed Challan: Challan not yet used in statements.
• Unique Acknowledgement (Correction): ID for correction return.
• Uploading Entity: Entity who files the return.

V

• Valid PAN: PAN accepted as per PAN database.
• Verification Code (KYC): Used for secure downloads.
• View 26AS: Access to tax credit statement.
• Verification of Certificates: Authentication of TDS certificates.

W

• Warrants of Recovery: Enforcement for unpaid dues.
• Withholding Tax: Another term for TDS.
• Wrong Section Mapping: Incorrect TDS section used.

X

• XML (TDS File Format): Format used for e‑TDS filings.

Y

• Yearly Certificates: Annual TDS certificates such as 16/16A.
• Yearly Reconciliation: Annual reconciliation of TDS records.
• Year‑End Adjustment (Salary): Final salary TDS computation.

Z

• Zero Deduction: No TDS due to exemption.
• Zero TDS Statement: Quarterly statement with no TDS activity.