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Yes. Bitcoin is a 'CGT asset' for the purposes of subsection 108-5(1) of the ITAA 1997.

When the final Determination is issued, it is proposed to apply both before and after its date of issue. However, the Determination will not apply to taxpayers to the extent that it conflicts with the terms of settlement of a dispute agreed to before the date of issue of the Determination (see paragraphs 75 to 76 of Taxation Ruling TR 2006/10).

While the ATO view will have application for periods prior to its publication, the ATO will not generally apply compliance resources to past year cases in relation to taxpayers who have behaved in a bona fide manner and made a genuine attempt to understand and satisfy their obligations.

This Draft Taxation Determination is part of a suite of determinations issued by the Commissioner on Bitcoin. Accordingly, a detailed description of Bitcoin is contained in Draft Taxation Determination TD 2014/D11 Income tax: is Bitcoin a 'foreign currency' for the purposes of Division 775 of the Income Tax Assessment Act 1997 (ITAA 1997)?

The term 'CGT asset' is defined in subsection 108-5(1) of the ITAA 1997 as: (a) any kind of property; or (b) a legal or equitable right that is not property.

In Yanner v. Eaton [1] ( Yanner ) the High Court accepted that property refers not to a thing but to a description of a legal relationship with a thing; and, more specifically, to the degree of power that is recognised in law as permissibly exercised over the thing. Noting the difficulties in determining what is meant by 'property' in a thing, their honours quoted Professor Gray who stated '[a]n extensive frame of reference is created by the notion that 'property' consists primarily in control over access'. [2]

There is no single test nor a single determinative factor for identifying a proprietary right. [3] Courts have emphasised different characteristics in different circumstances. [4] One formulation that has been applied in Australia is the 'Ainsworth test' - which asks whether a right is definable, identifiable and capable of assumption by third parties, and permanent or stable to some degree. [5] However, courts have also focused on factors such as excludability (whether it is possible to exclude others from the right in question), [6] commercial value (whether something is treated in commerce as a valuable proprietary right), [7] and enforceability of the right against third parties generally. [8] Accordingly, in determining whether something amounts to property it is necessary to weigh up a range of factors, and to treat none as definitive.

In the case of Bitcoin, the relevant relationship in the nature of property that must be considered is the relationship between: (a) the object or thing, bitcoin, being the digital representation of value constituted by three interconnected pieces of information (a Bitcoin address; the Bitcoin holding or balance in that address; and the public and private keypair associated with that address), [9] and (b) the bundle of rights (hereafter referred to as 'Bitcoin holding rights') ascribed to a person with access to the bitcoin under the Bitcoin software and by the community of Bitcoin users.

The most important of these Bitcoin holding rights are the rights of control over one or more bitcoins in the holder's Bitcoin wallet, for example, the capacity to trade a bitcoin for other value or use it for payment. These rights, however, do not amount to a chose in action as a Bitcoin holding does not give rise to a legal action or claim against anyone.

However, there are other factors that support the conclusion that Bitcoin holding rights are proprietary in nature. The most compelling is that bitcoins are treated as valuable, transferable items of property by a community of Bitcoin users and merchants. There is an active market for trade in bitcoins and substantial amounts of money can change hands between transferors and transferees of bitcoins. [10] Armstrong DLW GmbH v. Winnington Networks Ltd [11] and other English and Australian cases [12] evidence a judicial willingness to regard property that is valuable in commerce as property for the purposes of law.

Bitcoin holding rights involve an inherent excludability because the Bitcoin software restricts control of a bitcoin holding to the person in possession of the relevant private key. As the Bitcoin software prescribes how the transfer and trade of bitcoins can occur and transactions are verified through the Bitcoin mining process, Bitcoin holding rights are definable, identifiable by third parties, capable of assumption by third parties, and sufficiently stable as per the Ainsworth test.

In weighing all these factors it is considered that Bitcoin holding rights amount to property within the meaning of paragraph 108-5(1)(a) of the ITAA 1997. As such, a person holding a bitcoin is considered to hold a 'CGT asset' for the purposes of that provision.

Apart from a dealing in individual bitcoins it is possible for there to be a dealing relating to the Bitcoin wallet (which would necessarily be a dealing in each and every bitcoin in the wallet and the private key), or just in the private key. Rights may exist in relation to either. Bitcoin wallet rights are essentially the same as the Bitcoin holding rights but represent a more extensive interest, the whole (the wallet) including the lesser (individual bitcoins). Rights in the private key would fall short of 'property' for the purposes of paragraph 108-5(1)(a) of the ITAA 1997. However, the law of confidential information would point to the existence of an equitable right in relation to the private key, enforceable by a court, which would then give rise to a CGT asset for the purposes of paragraph 108-5(1)(b) of the ITAA 1997. Dealings in relation to either the wallet or the private key are therefore capable of amounting to CGT events that happen to CGT assets.

While it is not necessary for the purposes of this tax determination to decide whether the wallet is an item of property distinct from the individual bitcoins or merely their aggregation, more probably it is the latter. A disposition of the wallet would be considered, in normal circumstances, to be identical with a disposition of the bitcoins in it. On the other hand, confidential information in relation to the private key is probably an item distinct from the bitcoins. The distinction is thought to be unlikely to have practical significance in normal circumstances.

The disposal of Bitcoin to a third party gives rise to CGT event A1 under subsection 104-10(1) of the ITAA 1997. A taxpayer will make a capital gain from CGT event A1 if the capital proceeds from the disposal of the bitcoin are more than the bitcoin's cost base. The capital proceeds from the disposal of the bitcoin are, in accordance with subsection 116-20(1) of the ITAA 1997, the money or the market value of any other property received (or entitled to be received) by the taxpayer in respect of the disposal. The money paid or the market value of any other property the taxpayer gave in respect of acquiring the bitcoin will be included in the cost base of the bitcoin in accordance with subsection 110-25(2) of the ITAA 1997.

However, section 118-20 of the ITAA 1997 reduces any capital gain made by a taxpayer by an amount that is included in the taxpayer's assessable income under another provision of the tax law, for example, ordinary income under section 6-5 of the ITAA 1997.

Under subsection 118-10(3) of the ITAA 1997, a capital gain made from a personal use asset (a CGT asset used or kept mainly for personal use or enjoyment) [13] is disregarded if the first element of the cost base is $10,000 or less. [14] In addition, any capital loss made from a personal use asset is disregarded under subsection 108-20(1) of the ITAA 1997.

This Draft Tax Determination is not intended to define the circumstances in which Bitcoin would be a personal use asset. Bitcoin is not kept or used for personal enjoyment. Bitcoin that is kept or used mainly for the purpose of profit-making or investment, or to facilitate purchases or sales in the course of carrying on business is not used or kept mainly for personal use. Bitcoin that is kept or used mainly to make purchases of items for personal use or consumption ordinarily will be kept or used mainly for personal use. Other categories of use conceivably could exist; taxpayers in these cases should seek private rulings.

You are invited to comment on this draft Determination including the proposed date of effect. Please forward your comments to the contact officer by the due date.

A compendium of comments is prepared for the consideration of the relevant Rulings Panel or relevant tax officers. An edited version (names and identifying information removed) of the compendium of comments will also be prepared to: • provide responses to persons providing comments • be published on the ATO website at www.ato.gov.au.