# Prepared By/For
_Prepared By_ and _Prepared For_ follow the [Roles](https://patterns.rufrisk.com/books/fedramp-common/page/roles) pattern, using the `prepared-by` and `prepared-for` roles.
For an SSP:
- `prepared-by` may identify the cloud service provider or a thrid party advisory organization
- `prepared-for` always identifes the cloud service provider
**Defined Identifiers**
Required Role IDs:
- `prepared-by`
- `prepared-for`
##### Prepared By - CSP or Self‑Prepared
When the SSP is preapred by the CSP the `metadata` must include:
- a `roles` entry with an `id` of `prepared-by`
- a `parties` entry that represents the CSP
- a `responsible-parties` entry with:
- a `role-id` of `prepared-by`
- a `parties-uuid` array with one entry:
- the `uuid` value of the CSP entry in the `parties` array above.
```yaml
metadata:
roles:
- id: prepared-by
title: Prepared By
parties:
- uuid: d865602c-9d3b-49d7-8125-ce3f1ca04231
type: organization
name: CSP Name
responsible-parties:
- role-id: prepared-by
party-uuids:
- d865602c-9d3b-49d7-8125-ce3f1ca04231
```
##### Prepared By - Third Party
When the SSP is preapred by an advisory firm, the `metadata` must include:
- a `roles` entry with an `id` of `prepared-by`
- a `parties` entry that represents the third party firm
- a `responsible-parties` entry with:
- a `role-id` of `prepared-by`
- a `parties-uuid` array with one entry:
- the `uuid` value of the third party firm's entry in the `parties` array above.
```yaml
metadata:
roles:
- id: prepared-by
title: Prepared By
parties:
- uuid: d865602c-9d3b-49d7-8125-ce3f1ca04231
type: organization
name: Third Party Firm Name
responsible-parties:
- role-id: prepared-by
party-uuids:
- d865602c-9d3b-49d7-8125-ce3f1ca04231
```
##### Prepared For
The SSP is always prepared for the CSP. The `metadata` must include:
- a `roles` entry with an `id` of `prepared-for`
- a `parties` entry that represents the CSP
- a `responsible-parties` entry with:
- a `role-id` of `prepared-for`
- a `parties-uuid` array with one entry:
- the `uuid` value of the CSP entry in the `parties` array above.
```yaml
metadata:
roles:
- id: prepared-for
title: Prepared For
parties:
- uuid: d865602c-9d3b-49d7-8125-ce3f1ca04231
type: organization
name: CSP Name
responsible-parties:
- role-id: prepared-for
party-uuids:
- d865602c-9d3b-49d7-8125-ce3f1ca04231
```