AS 19 prescribes the accounting policies and disclosures for leases, in the books of both lessees and lessors. A lease is a way of obtaining the use of an asset without buying it outright, and the central accounting question is whether a lease is, in substance, a purchase financed over time or simply a rental. AS 19 answers this by classifying every lease as either a finance lease or an operating lease, based on the substance of the transaction — a classification that determines the entire accounting on both sides.
Objective and scope
The objective is to prescribe, for lessees and lessors, the appropriate accounting policies and disclosures in relation to finance leases and operating leases. A lease is an agreement whereby the lessor conveys to the lessee, in return for a payment or series of payments, the right to use an asset for an agreed period of time. The standard applies to agreements that transfer the right to use assets, with certain exclusions — for example, lease agreements to explore for or use natural resources, licensing agreements for items such as films and patents, and leases of land (in certain respects).
The fundamental classification
The classification of a lease as finance or operating depends on the substance of the transaction rather than its form, and specifically on the extent to which the risks and rewards incident to ownership of the leased asset lie with the lessor or the lessee.
A finance lease is a lease that transfers substantially all the risks and rewards incident to ownership of an asset. Title may or may not eventually be transferred. Situations that would normally lead to a lease being classified as a finance lease include: the lease transfers ownership of the asset to the lessee by the end of the lease term; the lessee has an option to purchase the asset at a price expected to be sufficiently lower than fair value that exercise is reasonably certain; the lease term is for the major part of the economic life of the asset; at inception, the present value of the minimum lease payments amounts to at least substantially all of the fair value of the leased asset; and the asset is of such a specialised nature that only the lessee can use it without major modifications.
An operating lease is a lease other than a finance lease — one that does not transfer substantially all the risks and rewards of ownership.
Lessee accounting
Finance lease (lessee). At the commencement of the lease term, the lessee recognises the lease as an asset and a liability at amounts equal to the fair value of the leased asset, or, if lower, the present value of the minimum lease payments. Lease payments are apportioned between the finance charge (interest) and the reduction of the outstanding liability, so as to produce a constant periodic rate of interest on the remaining balance. The finance charge is recognised as an expense, and the leased asset is depreciated consistently with the lessee's policy for owned assets (over the useful life, or the lease term if there is no reasonable certainty of obtaining ownership). So a finance lease is capitalised — the asset and the obligation both appear on the balance sheet.
Operating lease (lessee). Lease payments under an operating lease are recognised as an expense in the profit and loss account on a straight-line basis over the lease term (unless another systematic basis is more representative). The asset does not appear on the lessee's balance sheet — this is off-balance-sheet treatment, with only disclosure of the commitments.
Lessor accounting
Finance lease (lessor). The lessor recognises assets given under a finance lease as a receivable at an amount equal to the net investment in the lease, and derecognises the leased asset. The finance income is recognised based on a pattern reflecting a constant periodic rate of return on the net investment.
Operating lease (lessor). The lessor keeps the asset on its balance sheet, presents it according to its nature, and recognises lease income on a straight-line basis over the lease term. The asset continues to be depreciated by the lessor.
Disclosure
Both lessees and lessors make extensive disclosures. For finance leases, lessees disclose the net carrying amount of assets, a reconciliation between total minimum lease payments and their present value, and amounts of future minimum lease payments in specified time bands. For operating leases, lessees disclose the total of future minimum lease payments under non-cancellable leases in time bands and the lease payments recognised in the period. Lessors make corresponding disclosures for the leases they grant.
A brief illustration
A company leases a machine for a term covering most of its economic life, with the present value of the lease payments equal to substantially all of the machine's fair value — a finance lease. The lessee records the machine as an asset and a corresponding liability at the fair value (or lower present value of payments), splits each payment between interest and principal, and depreciates the machine. Separately, the company rents office space on a five-year lease with no transfer of ownership risks — an operating lease. Here it simply charges the rent to profit and loss on a straight-line basis, with nothing on the balance sheet except disclosure of the future commitments. The same company thus accounts for its two leases in completely different ways, driven by the finance-versus-operating classification.
How AS 19 compares with Ind AS 116
This is one of the most significant differences between the two frameworks — on the lessee side. AS 19 retains the classic dual model for lessees: finance leases are capitalised (asset and liability on the balance sheet), while operating leases are off balance sheet (rentals expensed straight-line, with disclosure of commitments). Ind AS 116 abolishes this distinction for lessees, requiring virtually all leases to be brought onto the balance sheet through a right-of-use asset and a lease liability (subject only to short-term and low-value exemptions). Under Ind AS 116 a lessee no longer classifies leases as operating or finance at all — the effect is that assets and liabilities rise and the expense profile changes from a single straight-line rental to front-loaded depreciation plus interest. On the lessor side, by contrast, AS 19 and Ind AS 116 are broadly similar, both retaining the finance/operating classification. So a lease-heavy business reports very differently as a lessee under the two frameworks, even though its lessor accounting is much the same.
Common pitfalls
Recurring issues include misclassifying a lease (for example, treating a lease that transfers substantially all risks and rewards as operating to keep it off balance sheet); using an inappropriate discount rate for the present value of minimum lease payments; not apportioning finance lease payments correctly between interest and principal; and depreciating a finance-leased asset over the wrong period.
Why this is cleaner on a unified system
Lease accounting requires tracking each lease's terms, classification, payments, and — for finance leases — the split of each payment between interest and principal, which is far more reliable when lease records and the ledger sit in one connected system. When lease obligations, finance charges, and depreciation flow through a single source of truth, the balance sheet and profit and loss effects tie together by construction rather than being reconciled from separate schedules and tools.
This article is a detailed educational summary of AS 19 in plain language. It is not a substitute for the full text of the standard. Accounting standards are amended from time to time; always verify the current, authoritative text of AS 19 as issued by the ICAI before relying on it, and consult a qualified chartered accountant for application to your specific circumstances.