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One stop help and frequently asked questions related to e-Filiing of returns/forms and services.

List & Abbreviation

Abbreviation	Expansion
AJP	Artificial Jurisdical Person	A
AIR	Annual Information Return
AY	Assessment Year
ATM	Automated Teller Machine
AOP	Association of Persons
AO	Assessing Officer
BOI	Body of Individuals	B
BSR	Basic Statistical Return
CA	Chartered Accountant	C
CBDT	Central Board of Direct Taxes
CCA	Controller of Certifying Authorities
CDSL	Central Depository Services (India) Ltd	C
CIN	Challan Identification Number
CPC	Centralized Processing Centre
CCIT	Chief Commissioner of Income Tax
DGIT	Director General of Income Tax	D
DOI	Date of Incorporation
DTAA	Double Tax Avoidance Agreement
DSC	Digital Signature Certificate
DOB	Date of Birth
ECS	Electronic Clearing Service	E
ERI	e-Return Intermediary
EVC	Electronic Verification Code
e-Pay	Electronic Payment
FY	Financial Year	F
F&SRS	Functional and Software Requirement Specification	F
FRS	Functional Requirement Specification
FAQ	Frequently Asked Questions
HP	House Property	H
HTTP	Hypertext Transfer Protocol
HTTPS	Secure Hypertext Transfer Protocol
HUF	Hindu Undivided Family
ITR-V	Income Tax Return Verification	I
ITR	Income Tax Return
ITDREIN	Income Tax Department Reporting Entity Identification Number
JSON	JavaScript Object Notation	J
LLP	Limited Liability Partnership	L
NCLT	National Company Law Tribunal	N
NMS	Non-filers Monitoring System
NRI	Non-Resident Indian
NSDL	National Security Depositary Limited
OTP	One Time Password	O
POA	Power of Attorney	P
PFMS	Public Financial Management System
PAN	Permanent Account Number
QR	Quick Response	Q
SFT	Statement of Financial Transaction	S
TRACES	TDS Reconciliation, Analysis and Correction Enabling System	T
TDS	Tax Deducted at Source
TCS	Tax Collected at Source
TAN	Tax Deduction and Collection Account Number
UM	User Manual	U
USB	Universal Serial Bus
UIDAI	Unique Identification Authority of India
XML	Extensible Markup Language	X