> For the complete documentation index, see [llms.txt](https://guides.gresb.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guides.gresb.com/completing-gresb-assessments/completing-the-assessment/2026-asset-assessment/entity-and-reporting-characteristics/reporting-characteristics/rc4-ancillary-activities.md).

# RC4: Ancillary Activities

<table data-card-size="large" data-column-title-hidden data-view="cards" data-full-width="false"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td><i class="fa-bullseye">:bullseye:</i> Maximum Score</td><td><strong>Not scored</strong></td><td></td><td></td></tr><tr><td><i class="fa-pen-to-square">:pen-to-square:</i> Prefill</td><td><i class="fa-check">:check:</i> <strong>Eligible</strong></td><td></td><td></td></tr><tr><td><i class="fa-shield-check">:shield-check:</i> Validation</td><td><strong>Evidence is not required</strong></td><td></td><td></td></tr><tr><td><i class="fa-arrow-trend-up">:arrow-trend-up:</i> 2026 Updates</td><td><strong>None</strong></td><td></td><td></td></tr></tbody></table>

***

**What is the portfolio's predominant location and property type?**

{% columns %}
{% column width="75%" %}

<figure><img src="/files/UEaCxoHz47bUyAG9iI8G" alt=""><figcaption></figcaption></figure>
{% endcolumn %}

{% column width="25%" %}

{% endcolumn %}
{% endcolumns %}

## Assessment Instructions

<details>

<summary><strong>Intent</strong>: What is the purpose of this indicator?</summary>

Describe the ancillary activities engaged in by the entity. This information is used in combination with the Sector & Geography (RC3) and Reporting Year (EC4) descriptions to describe the entity’s reporting boundary.

</details>

<details>

<summary><strong>Input</strong>: How do I complete this indicator?</summary>

**Significant activities:** Select all significant activities engaged in by the entity, outside of its main activity. Insignificant activities typically make up less than 1% of the entity’s budget, resourcing or revenue, so excluding them from sustainability reporting still provides a complete picture to stakeholders.

**Activities in reporting boundaries:** Select all of the ancillary activities that are included within the boundary of sustainability reporting of the entity. This must be a sub-set (or all) of the activities listed in the previous section (in other words only select from the activities that were selected in the previous list).

### Terminology

**Ancillary activity**

> The activities engaged in by the entity that allow it to provide its core service but are not its main activity.

**Main activity**

> The activities engaged in by the entity that allow it to provide its core service but are not its main activity.

</details>

<details>

<summary><strong>Validation</strong>: What evidence is required?</summary>

No evidence required.

</details>

## Scoring

This indicator is not scored.

***

<details>

<summary><em>References</em></summary>

[Infrastructure as an asset class, Second edition, by Barbara Weber, Mirjam Staub-Bisang and Hans Wilhelm Alfen, 2016.](https://onlinelibrary.wiley.com/doi/book/10.1002/9781119226574)

</details>


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

```
GET https://guides.gresb.com/completing-gresb-assessments/completing-the-assessment/2026-asset-assessment/entity-and-reporting-characteristics/reporting-characteristics/rc4-ancillary-activities.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
