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HMRC internal manual

International Manual

HM Revenue & Customs
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Non-residents trading in the UK: Treaty permanent establishment: fixed place of business permanent establishment: construction projects

Building sites or construction or installation projects

The OECD Model Treaty Article 5 includes specific provisions in paragraph 3 that a building site or construction or installation project constitutes a treaty permanent establishment only where it lasts more than 12 months. The commentary makes it clear that this includes also the construction of roads, bridges or canals, the renovation (involving more than mere maintenance or redecoration) of buildings, roads, bridges or canals, the laying of pipes-lines and excavating and dredging. Additionally, the term ‘installation project’ is not restricted to an installation related to a construction project; it also includes the installation of new equipment, such as a complex machine, in an existing building or outdoors.

The OECD member states have made this type of activity the subject of a specific rule because of the frequency with which it caused difficulties of interpretation. And, for clarity in the model treaty, 12 months’ duration has been taken to be a sufficient indication that the activity is a fixed place of business permanent establishment. Of course particular treaties may vary from the model in this respect and indeed different durations are included in many of the UK’s treaties all of which can be referred to in full at DT2140 onwards. The UK domestic charging provisions in CTA10/S1141 (2)(h) define permanent establishment (see INTM264050) in a way that specifically includes all building sites or construction or installation projects without duration qualification. Although initially this may appear inconsistent you should remember that the treaty provisions will override the domestic legislation. In that way, any duration specified in any applicable treaty within which the site will become a permanent establishment will be the duration that applies.

If the non-resident is involved (directly or indirectly through subcontractors) in more than one site or project, each should be considered as a potential permanent establishment separately from the others. The 12 months or other duration test applies to each site or project. A site or project should be regarded as a single potential permanent establishment even if it is based on several contracts provided that it forms a coherent whole commercially and geographically. If it appears that a single site or project has been fragmented to avoid the appearance of being a PE the facts of the original tendering should be investigated.

A site or project exists from when the contractor begins work, including any preparatory work, in the country where the construction etc. is to be established. It continues to exist until the work is completed or permanently abandoned. Temporary discontinuation, seasonal or other temporary interruptions should be ignored.