Ind AS 115 Contract Modifications: Prospective vs Retrospective Treatment and the Three Accounting Scenarios
Have you ever signed a contract and then changed it midway? Maybe you ordered a cake for 50 people and later called the baker to add 20 more. That is a contract modification in everyday life. In the world of Ind AS 115, the same situation can create a significant accounting decision — and getting it wrong can distort your revenue numbers completely.
Let us walk through this topic step by step, the way we would in a classroom.
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What Is a Contract Modification Under Ind AS 115?
A contract modification is any change in the scope, price, or both of an existing contract that is approved by the parties involved. The approval does not have to be in writing — it can be oral or implied through customary business practice. However, the change must be enforceable.
The key question Ind AS 115 asks you is: Is this modification a separate (new) contract, or is it a change to the existing contract?
Your answer to that question determines which of the three accounting scenarios you apply.
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When Does a Modification Become a Separate New Contract?
A modification is treated as a separate, additional contract when BOTH of the following conditions are met:
- The modification adds distinct goods or services (i.e., goods/services that are separately identifiable and can stand alone).
- The price of those additional goods/services reflects their standalone selling price at the time of modification.
When both conditions are met, you simply account for the new contract independently. The original contract continues unchanged. No retrospective adjustment, no catch-up — clean and simple.
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The Three Accounting Scenarios for Contract Modifications
When the modification is NOT a separate contract, Ind AS 115 gives you three scenarios depending on what the modification does to the remaining performance obligations.
Scenario 1 — Prospective Treatment (Termination + New Contract)
When does it apply? When the remaining goods or services in the modified contract are distinct from what has already been transferred.
Logic: Think of the original contract as being closed at the modification date. Whatever was delivered before modification — done. Whatever is left to be delivered — treated as a fresh start.
How to account:
- Recognise any unearned revenue (contract liability) or unbilled revenue (contract asset) from the old contract.
- Allocate the remaining transaction price (old balance + new consideration) over the remaining distinct performance obligations going forward.
- No adjustment to previously recognised revenue.
Simple worked logic: Imagine you contracted to deliver 10 software modules at ₹1 lakh each. You delivered 4 modules. The customer now wants to change the specifications of the remaining 6 modules (distinct services) and agrees to pay ₹90,000 per module instead. From the modification date, you treat the 6 revised modules as a new arrangement at ₹90,000 each. Revenue already recognised for the 4 modules? Untouched.
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Scenario 2 — Retrospective / Cumulative Catch-Up Treatment
When does it apply? When the remaining goods or services are NOT distinct — meaning they are part of a single performance obligation that has already been partially satisfied.
Logic: Because the old and new deliverables are bundled into one continuous obligation, you must go back and ask: "Given what I know today, how much revenue should I have recognised so far?" The difference between that revised amount and what you actually recognised is your cumulative catch-up adjustment — recognised in the current period as an increase or decrease in revenue.
How to account:
- Revise the transaction price and the measure of progress (e.g., percentage of completion).
- Compare revised cumulative revenue with revenue already recognised.
- Record the difference (positive or negative) immediately in profit or loss.
Simple worked logic: You have a contract to construct a customised machine for ₹50 lakh. You are 60% complete and have recognised ₹30 lakh. The customer agrees to change the design and the revised contract value becomes ₹55 lakh. Revised cumulative revenue = 60% × ₹55 lakh = ₹33 lakh. You have recognised ₹30 lakh. Catch-up adjustment = ₹3 lakh recognised immediately.
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Scenario 3 — Combination Treatment
When does it apply? When the modification adds both distinct and non-distinct performance obligations — part of it looks like Scenario 1 and part like Scenario 2.
Logic: Split the modification. Apply prospective treatment to the distinct part and cumulative catch-up to the non-distinct part. This is the most complex scenario in exams, but the principle is straightforward — look at each obligation individually and apply the appropriate treatment.
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Why Does This Matter in Your CA Exam?
Ind AS 115 is tested at both CA Intermediate (Paper 1) and CA Final (Paper 1 / FR). Contract modification questions often carry 8–12 marks in the exam because they test judgment, not just memorisation.
Examiners love to give you a fact pattern and ask: "Is this a new contract or a modification? Which scenario applies? How much revenue is recognised in Period 2?" If you do not understand the underlying logic of distinct vs. non-distinct performance obligations, you will waste marks even if you remember the rule.
Quick revision checklist:
- Approved change in scope/price? → Contract modification exists.
- Distinct goods + standalone price? → Separate contract.
- Remaining obligations distinct? → Prospective (Scenario 1).
- Remaining obligations NOT distinct? → Cumulative catch-up (Scenario 2).
- Mix of both? → Combination (Scenario 3).
Always verify the applicable thresholds and examples in the latest ICAI study material / announcement, as Ind AS guidance notes are periodically updated.
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FAQs
Q1. Can a contract modification be verbal? Yes. Ind AS 115 does not require written approval. An oral or implied agreement that is enforceable between the parties qualifies as a modification — though documentation is always advisable in practice.
Q2. What if the modification reduces the scope of the contract? A scope reduction is still a modification. You apply the same three-scenario framework. If revenue has already been over-recognised because the obligation no longer exists, the cumulative catch-up will be a negative adjustment (revenue reversal).
Q3. How is "distinct" determined for a performance obligation? A good or service is distinct if the customer can benefit from it on its own (or with other readily available resources) AND it is separately identifiable from other promises in the contract. Both tests must pass — verify detailed guidance in the latest ICAI study material.
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Understanding contract modifications deeply is the difference between a student who "read" Ind AS 115 and one who can apply it under exam pressure. To build that application skill, map out your daily study schedule using the free day-by-day study planner at caparveensharma.com/free-planner?src=article — it helps you allocate focused time to tricky standards like this one. For free case-scenario practice that mirrors real exam patterns, explore the courses and practice resources at caparveensharma.com. Consistent, structured practice is the only shortcut that actually works.