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AI Modules/Working Papers/Audit Planning Summary
SA 315 / 320 · Audit Planning Summary· पत्र

Audit Planning Summary

A deterministic fact-pack computed straight from the trial balance, significant year-over-year changes, rule-based focus areas, and management questions, each carrying the evidence that triggered it.

CORAA materiality benchmark step in the planning workflow

Business Understanding usually starts as a memo written from memory or last year's file. CORAA starts it from a deterministic fact-pack computed straight from the trial balance instead: significant year-over-year changes stated with an honest basis label, not just 'revenue went up 20%' but what exactly that is measured against, rule-based focus areas each carrying the specific fact that triggered it rather than a generic risk list, and questions for management that each cite their own triggering evidence. A single customer representing over half of total billing is surfaced right at the top of Business Understanding before a single audit procedure has run. An AI narration sits on top of the fact-pack for readability, but every fact underneath it is deterministic; if the model is unavailable, the summary degrades gracefully to facts-only, the facts never depend on AI being up.

  • Deterministic fact-pack computed directly from the trial balance
  • Significant YoY changes stated with an honest basis label, not a bare percentage
  • Rule-based focus areas, each carrying the specific fact that triggered it
  • Management questions each cite their own triggering evidence
  • Concentration risk, e.g. one customer over 50% of billing, surfaced before any procedure runs
  • AI-narrated on top, degrades gracefully to facts-only if the model is unavailable
  • Cited to SA 315 and SA 320
Two paths, one ledger

The old way, and ours.

Two paths to the same audit conclusion. One leaves traces; the other doesn't.

Traditional

The old way

  • -Business Understanding memo written from memory or copied forward from last year's file
  • -YoY narrative asserted without stating what it is actually measured against
  • -Risk areas listed generically, without the specific fact that makes them relevant this year
  • -Management questions are boilerplate, not tied to this engagement's own numbers
  • -Customer concentration discovered mid-fieldwork, if at all, rather than at planning
A planning memo that asserts 'revenue is up' without saying up against what is a starting point, not a fact.
CORAA

On the Ledger

  • Fact-pack computed directly from the trial balance, not recalled or copied forward
  • Every YoY change carries its basis label alongside the number
  • Focus areas are rule-triggered, each with the fact that raised it
  • Management questions cite the evidence that prompted them
  • Concentration risk surfaced at the top of Business Understanding, before fieldwork starts
  • Facts stand on their own; AI narration is a layer on top, not a dependency
The planning summary is built from the trial balance the day the engagement opens, not written the week before fieldwork.
How it works

Three steps. Every trace logged.

Step 01

Deterministic fact-pack from the trial balance

CORAA computes the YoY movements, concentration ratios, and other planning-relevant figures directly from the trial balance. Every fact in the summary traces back to a TB figure, none of it is asserted from memory or narrative.

Step 02

Rule-based focus areas with their triggering fact

Focus areas are raised by rules against the fact-pack, a customer over a concentration threshold, an unusual YoY swing, a new material balance, each one carrying the specific number that triggered it rather than appearing as a generic risk-list entry.

Step 03

AI narration, facts-first fallback

An AI narration layer turns the fact-pack into readable prose for the planning memo. If the model is unavailable, the summary falls back to the deterministic facts and rule-triggered focus areas directly, nothing in the summary depends on the AI layer being up.

Inside the module

What you actually get.

TB-computed fact-pack

Every figure in the planning summary is computed directly from the trial balance, not recalled or carried forward from last year's memo.

  • YoY movement figures with an honest basis label
  • Concentration ratios, e.g. top-customer share of billing
  • Recomputes if the trial balance changes

Rule-based focus areas

Focus areas are raised by rules against the fact-pack, each one carrying the specific fact behind it rather than sitting on a generic risk checklist.

  • Each focus area links to its triggering figure
  • No generic, un-sourced risk statements
  • Surfaces concentration risk before any procedure runs

Evidence-cited management questions

Questions drafted for management each cite the specific fact that prompted them, rather than reading from a boilerplate list.

  • Each question links back to its triggering evidence
  • Tailored to this engagement's own TB movements
  • Ready to use in the client planning meeting

AI-narrated, facts-first

AI narration renders the fact-pack as planning-memo prose, but the underlying facts are deterministic and available even without it.

  • Narration layer sits on top of the fact-pack
  • Degrades gracefully to facts-only if the model is unavailable
  • Facts never depend on AI availability
Frequently asked

Answers, up front.

No. The rules run against the deterministic fact-pack and raise focus areas from that. The AI layer only narrates those already-triggered facts into readable prose; it does not decide what is or isn't significant.
It degrades gracefully to the facts-only view, the TB-computed YoY changes, the rule-triggered focus areas, and the evidence-cited management questions, all still present. None of the underlying facts depend on the AI layer being up.
A single customer representing over half of total billing, surfaced at the top of Business Understanding from the fact-pack alone, before a single audit procedure has run on receivables or revenue.
See it on a real ledger

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Audit Planning Summary | SA 315/320, Deterministic Fact-Pack | CORAA