Educational reference only. Terms are simplified for orientation. Confirm current applicability, forms, deadlines, thresholds, and process details in the linked official source and with a qualified professional.
1. Period and return language
The correct period label is a core control in the transition environment.
- Financial Year (FY)
- A financial reporting period used in many Indian compliance contexts.
- Assessment Year (AY)
- An income-tax return label used for the assessment context of the preceding financial year.
- Tax Year
- A label used in the current Income Tax Act 2025 transition material; do not treat it as interchangeable with AY.
- ITR
- Income Tax Return; the current portal and facts determine the relevant form and process.
- e-Filing portal
- The official Income Tax Department portal for return, form, payment, and service workflows.
2. Tax payment language
A payment record needs its purpose, period, and proof.
- Challan
- A portal-generated payment record or reference.
- Advance tax
- A tax-payment concept addressed by the official Income Tax payment guidance.
- Self-assessment tax
- A payment concept in the Income Tax Department’s tax-payment guidance.
- Regular assessment
- A tax-payment context named in the Department’s guidance.
- Tax credit
- A credit record that requires correct period and reconciliation context.
3. TDS and remittance language
TDS work starts with the underlying payment or credit event.
- TDS
- Tax deducted at source: tax withheld in relevant payment contexts, subject to current rules.
- TCS
- Tax collected at source: a separate withholding/collection concept in the tax system.
- TAN
- Tax Deduction and Collection Account Number used in applicable deduction/collection work.
- Form 16A
- A TDS-certificate term used in the official TDS guidance; current rules control use.
- Form 15CA / 15CB
- Remittance-information and CA-certificate terms discussed in the Income Tax forms guidance; current transition forms require review.
4. Research and response controls
A statement, notice, or correction should become a documented case.
- Form 26AS
- An income-tax information-statement term used in reconciliation discussions.
- AIS
- Annual Information Statement: an official information-statement concept that should be compared with records.
- Correction return
- A return correction related to an earlier submission/period; use current portal guidance.
- Notice
- An official communication that should be preserved with reference, period, evidence, and reviewer routing.
- TRACES
- A named income-tax/TDS service ecosystem referenced in the Department’s transition guidance.