March 7, 2026

The following provides a comprehensive, current, and evidence‑based analysis of the critical SMSF compliance considerations that arise when leasing commercial property to a related party, including the requirements for maintaining arm’s‑length terms, managing in‑house asset exposure, identifying and mitigating NALI/NALE risks, and understanding the regulatory and tax consequences of non‑compliance.

✅ 1. In‑House Asset Risk (SISA s71)

A commercial property leased to a related party can only be excluded from being treated as an in‑house asset where the arrangement satisfies all of the strict legislative requirements that apply to business real property, including ensuring the property itself qualifies as business real property under SIS law, the lease is properly documented, legally enforceable, and conducted entirely on arm’s‑length terms, rent is supported by objective market evidence, payments are made in full and on time, and no aspect of the arrangement provides a present‑day benefit to the related party that is inconsistent with the sole‑purpose test; failure to meet any one of these conditions will result in the property being classified as an in‑house asset and may also trigger additional compliance breaches, such as NALI/NALE exposure or contraventions requiring reporting to the ATO.

Key requirement: You MUST have an enforceable lease agreement

A lease to a related party is only exempt if the property is business real property and is subject to a lease or lease arrangement enforceable by legal proceedings.
No lease agreement = automatic in‑house asset, a serious compliance breach.

If no compliant lease exists:

The property becomes an in‑house asset, often >5% of fund value.
The trustees may be forced to dispose of the property if the ATO does not accept remediation.

What the lease must include:

Market‑based rent and outgoings (supported by independent evidence).
Clear commercial terms (duration, renewal, default provisions).
Evidence the lease is followed exactly (rent paid on time, correct amounts).

✅ 2. NALI (Non‑Arm’s Length Income) Risks

The ATO is placing heightened scrutiny on Non‑Arm’s‑Length Income (NALI) risks arising from related‑party commercial leasing arrangements, specifically targeting situations where lease terms, rent, rent‑free periods, incentives, outgoings, or documentation do not reflect genuine arm’s‑length conditions. Their current compliance programs emphasise that SMSFs must be able to demonstrate, with objective market evidence and enforceable agreements, that every aspect of the leasing arrangement mirrors what would reasonably be expected between unrelated parties dealing at arm’s length.

Under the NALI rules, if an SMSF derives income from a related‑party lease that is not on arm’s‑length terms — whether due to understated rent, inadequate documentation, favourable terms to the tenant, or any non‑commercial dealings — all income that the SMSF earns from that asset is treated as Non‑Arm’s‑Length Income and taxed at the top marginal tax rate of 45%, regardless of whether the fund is in accumulation or pension phase. This penalty can also extend to capital gains, meaning the entire future gain on disposal of the property may also be taxed at 45%, even if the member is receiving a tax‑exempt retirement‑phase pension.

NALI Triggers in related‑party leases:

Below‑market rent or non‑commercial terms.
Irregular or late rent payments or lump‑sum yearly payments.
Lease prepayments >12 months, which may be seen as tax‑motivated and non‑commercial.
Inflated income because the SMSF underpaid for an asset or gained favourable terms.

Documentation standards (critical):

Trustees must keep clear evidence supporting commerciality: valuations, rental assessments, correspondence, professional advice.

✅ 3. NALE (Non‑Arm’s Length Expenditure) and Its Link to NALI

If the SMSF receives discounted, free, or reduced‑cost services, or incurs insufficient expenses, this may trigger NALE → which results in NALI treatment on the income of the asset.

Examples relevant to property leasing:

A related‑party builder renovates the SMSF property at a discount.
A member performs property management for free.
Repairs or outgoings are under‑charged or paid by the tenant incorrectly.

Consequences of NALE:

Even a single under‑market expense related to the property can cause all rental income (and related capital gains) to be taxed at 45%.

✅ 4. Commerciality Requirements for Related‑Party Commercial Property Leases

To avoid both NALI and in‑house asset breaches, the SMSF must ensure:

✔ Business Use Only

Property must be used wholly and exclusively for business.

✔ Market Rent (with evidence)

Independent assessment recommended.
Reassess at each renewal or review period.

✔ Formal, signed commercial lease

Must match normal industry practice.
Terms must be followed strictly.

✔ Proper valuation evidence annually (ATO expectation)

✔ Adherence to lease terms

Timely rent payment.
Outgoings paid correctly.
No “mate’s rates” or informal variations.

❌ 5. Red Flags the ATO Focuses On

The ATO has increased surveillance of SMSFs leasing assets to related parties.
Key red flags include:

Missing or incomplete lease agreements.
Rent not paid on time or not paid in full.
Non‑commercial lease terms.
Prepaid or irregular rent.
Missing rental valuations.

⚠️ 6. Tax Consequences of Getting It Wrong

If NALI is triggered:

All related income (and capital gains) taxed at 45%.

If NALE triggers NALI:

Even a single small under‑market expenditure can result in all income from the asset being treated as NALI.

If property becomes an in‑house asset:

Counted toward the 5% limit.
Likely catastrophic breach requiring rectification or forced sale.

✅ 7. Best‑Practice Steps for Related‑Party Commercial Leases

To stay safe:

1. Obtain independent market rent valuation at commencement.

2. Put in place a professionally drafted, enforceable commercial lease.

3. Ensure rent and outgoings are paid exactly per the lease.

4. Maintain annual rental valuations.

5. Record everything (emails, rental assessments, third‑party advice).

6. Avoid all discounted or free related‑party services.

These standards align directly with ATO expectations and specialist advisory guidance.