Calculating Partnership Shares for Transfers Before 20 October 2003

Working out a partner’s attributable share for older partnership property

This special rule applies when land became partnership property before 20 October 2003 and an SLP calculation is needed for SDLT purposes. You start with the partner’s share of the partnership’s income profits on 19 October 2003, or on the date they later joined, then adjust that figure for certain later increases and decreases before the transaction being tested.

• The rule only applies to partnership property that was transferred into the partnership before 20 October 2003, when stamp duty rather than SDLT applied.
• The starting point is the partner’s share in the partnership’s income profits on 19 October 2003, or their joining date if they became a partner later.
• Add later increases in that share only if they happened before the current transaction and were made by an instrument stamped with ad valorem stamp duty.
• Deduct any later decreases in the partner’s profit share that happened before the transaction being analysed.
• If the person stopped being a partner before 19 October 2003, their attributable share is treated as zero.
• The rule is evidence-heavy, so old partnership agreements, profit-sharing records and stamped documents are important.

Scroll down for the full analysis.

How to work out a partner’s attributable share for pre-20 October 2003 partnership property

This page explains a special rule used in partnership stamp tax calculations where land became partnership property before 20 October 2003. The rule matters because older transfers into a partnership were governed by stamp duty, not SDLT, and that affects how the partnership share attributable to each corresponding partner is calculated under the sum of the lower proportions, or SLP, rules.

What this rule is about

Some partnership transactions require an SLP calculation. That calculation looks at historic proportions linked to partners and partnership property. For land that was transferred into a partnership before 20 October 2003, the ordinary approach is modified.

The reason is historical. Before that date, transfers of land into a partnership would have fallen under stamp duty rules rather than SDLT. The legislation therefore uses a special method to identify the share attributable to a corresponding partner when dealing with that earlier property.

This is a narrow rule. It is only concerned with a relevant chargeable interest that became partnership property before 20 October 2003.

What the official source says

The official material says that, for these older partnership assets, the partnership share attributable to a corresponding partner is found in three steps.

First, identify the partner’s share on the relevant date. The relevant date is:

• 19 October 2003, if the person was already a partner on that date, or
• the date they became a partner, if they joined after 19 October 2003.

For this purpose, the partner’s share means their share in the income profits of the partnership.

Second, add any later increases in that partnership share, but only if both of the following are true:

• the increase happened after the relevant date and before the transaction now being tested, and
• the increase was effected by an instrument stamped with ad valorem stamp duty.

Third, deduct any later decreases in that partnership share that happened after the relevant date and before the transaction now being tested.

The figure produced by those three steps is the partnership share attributable to that partner.

The source also states that if a person ceased to be a partner before 19 October 2003, their attributable share is zero.

It defines the relevant chargeable interest as either:

• the chargeable interest that is ceasing to be partnership property and for which the SLP calculation is being carried out, or
• if the transaction creates a chargeable interest, the chargeable interest out of which the new interest is created.

What this means in practice

In practical terms, this rule asks you to start from a fixed historical point and then track later changes in the partner’s profit-sharing entitlement.

The starting point is not necessarily the date the land first entered the partnership. Instead, for someone who was already a partner on 19 October 2003, the calculation starts with their profit share on that date. For someone who joined later, it starts when they joined.

From there, you adjust the figure:

• upwards for qualifying increases, but only where the increase was made by an instrument stamped with ad valorem stamp duty, and
• downwards for decreases occurring before the transaction being analysed.

This can produce a different result from simply looking at the partner’s current profit share. The rule is historical and transactional. It is not just a snapshot of the partnership agreement at the time of the current land transaction.

It also means documentary evidence matters. In particular, if an increase in a partner’s share is to be added under step 2, the source requires that increase to have been effected by an instrument stamped with ad valorem stamp duty. If that condition is not met, the increase does not appear to be brought into the calculation under this special rule.

How to analyse it

A sensible way to approach the calculation is as follows.

1. Confirm that the land interest became partnership property before 20 October 2003. If it did not, this special rule does not apply.
2. Identify the relevant chargeable interest. This is the interest leaving the partnership, or, if a new interest is being created, the underlying interest out of which it is created.
3. Identify the corresponding partner whose attributable share you are testing.
4. Ask whether that person was a partner on 19 October 2003. If yes, use their income profit share on that date. If not, use their share on the date they later became a partner.
5. Trace all later increases in that share up to, but not including, the transaction being analysed. Then check whether each increase was effected by an instrument stamped with ad valorem stamp duty.
6. Add only those increases that satisfy the condition in the source.
7. Trace all later decreases in that share up to, but not including, the transaction being analysed, and deduct them.
8. If the person had ceased to be a partner before 19 October 2003, treat their attributable share as zero.

The source uses the partner’s share in the income profits of the partnership. So the key factual question is what the person’s entitlement to income profits was at each relevant point, rather than, for example, their capital account or some informal understanding unless that is what defines profit sharing.

Example

This is only an illustration of the method.

A property became partnership property in 2001. A partner was already in the partnership on 19 October 2003 and had a 20% share in the income profits on that date.

In 2005, their share increased to 30%, and that increase was made by an instrument stamped with ad valorem stamp duty. In 2008, their share fell to 25%. A later transaction involving the property takes place in 2010 and requires the SLP calculation.

Under this special rule:

• start with 20% at 19 October 2003,
• add the qualifying 10% increase from 2005,
• deduct the 5% decrease from 2008.

The resulting partnership share attributable to that partner is 25%.

Why this can be difficult in practice

The main difficulty is usually evidence. Older partnership arrangements may have changed several times, and the source requires a careful reconstruction of profit-sharing positions over time.

There can also be uncertainty about whether a change was in fact an increase or decrease in the partner’s share in income profits, especially if the partnership agreement was amended in a complicated way or if profit sharing differed between accounting periods.

Another practical issue is the step 2 condition. The source says increases are added only where the increase was effected by an instrument stamped with ad valorem stamp duty. That makes the documentary history important. If records are incomplete, it may be difficult to show that a particular increase qualifies.

The definition of the relevant chargeable interest can also matter. Where the current transaction creates a new chargeable interest, the calculation looks back to the interest out of which the new one is created. That can be easy to miss if attention is focused only on the newly created interest.

Finally, this rule sits within the wider SLP framework. It does not by itself tell you the whole tax outcome. It provides one element of the calculation for certain partnership transactions involving older partnership property.

Key takeaways

• This is a special historical rule for partnership property that became partnership property before 20 October 2003.
• The attributable share is based on the partner’s income profit share at a fixed starting date, adjusted for later increases and decreases before the current transaction.
• Later increases only count under this rule if they were effected by an instrument stamped with ad valorem stamp duty.

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Useful article? You may find it helpful to read the original guidance here: Calculating Partnership Shares for Transfers Before 20 October 2003

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