Use the current professional-practice collection to understand the UDIN lifecycle from applicability and generation to verification and revocation.
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A practical guide to verifying a Chartered Accountant’s UDIN on the ICAI portal, understanding the OTP process, reading the result and knowing what verification does—and does not—prove.
Set up a sole practice, proprietorship, partnership or LLP with ICAI: get the firm name approved in Form 117 on the SSP, file Form 18 inside the 30-day window, and report later changes before condonation charges start.
Work out which signed tax audit reports use up your 60-assignment limit from 1 April 2026, why a firm can no longer pool it among partners, and how the UDIN portal counts branches, revised reports and presumptive cases.
Browse the library
Set up a sole practice, proprietorship, partnership or LLP with ICAI: get the firm name approved in Form 117 on the SSP, file Form 18 inside the 30-day window, and report later changes before condonation charges start.
Work out which signed tax audit reports use up your 60-assignment limit from 1 April 2026, why a firm can no longer pool it among partners, and how the UDIN portal counts branches, revised reports and presumptive cases.
A decision-focused guide to when a practising CA can become a company director, when ICAI approval is needed, how audit conflicts arise, and why actual duties matter more than the job title.
Practising CAs cannot charge fees tied to profits or results unless the Regulations allow it. The clause (10) rule, the three Regulation 192 exceptions, the independence check and worked fee cases.
A practical guide to ICAI's current advertising, website and social-media rules for practising CAs and firms, including solicitation, write-ups, push vs pull communication, client references, testimonials, fees and online platforms.
A practical guide for CA firms on ICAI peer review: what the reviewer examines, how sampling works, how to prepare engagement files and quality records, and what happens after the review.
A practical UDIN guide for practising CAs: who generates it, the three mandatory phases, separate UDINs for separate assignments, counting the 60-day window, the 48-hour revocation rule and verification.
A practical guide to verifying a Chartered Accountant’s UDIN on the ICAI portal, understanding the OTP process, reading the result and knowing what verification does—and does not—prove.
Using this collection
The current collection focuses on UDIN-related professional practice guidance, including applicability, generation, verification and revocation. It does not currently cover the wider fields of professional ethics, peer review or quality management.
First decide whether the document requires a UDIN, then generate and communicate it through the applicable ICAI process. Verification and revocation address different later-stage needs and should not be treated as substitutes.
A portal status does not replace the member’s responsibility for the signed document or the recipient’s review. Confirm current ICAI timelines, permitted actions and document details before relying on a dated workflow.
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