diff --git a/.vscode/settings.json b/.vscode/settings.json
index 1b06d69..66a373d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -7,7 +7,6 @@
     "**/.DS_Store": true,
     "**/Thumbs.db": true,
     "**/.ruby-lsp": true,
-    "docs": true,
     ".devcontainer": true,
     ".github": true,
     ".vscode": false,
diff --git a/docs/Gemfile b/docs/Gemfile
index 4a9a2b2..2d29af4 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -8,6 +8,9 @@ source "https://rubygems.org"
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
 gem "jekyll", "~> 4.3.3"
+gem "csv"
+gem "base64"
+gem "bigdecimal"
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
 gem "minima", "~> 2.5"
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 2fa5cf0..d48ad61 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -3,9 +3,12 @@ GEM
   specs:
     addressable (2.9.0)
       public_suffix (>= 2.0.2, < 8.0)
+    base64 (0.3.0)
+    bigdecimal (4.1.2)
     cgi (0.5.1)
     colorator (1.1.0)
     concurrent-ruby (1.2.3)
+    csv (3.3.6)
     digest (3.2.0)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
@@ -116,6 +119,9 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  base64
+  bigdecimal
+  csv
   http_parser.rb (~> 0.6.0)
   jekyll (~> 4.3.3)
   jekyll-content-security-policy-generator
diff --git a/docs/pages/get-started/check-which-features-you-can-get-and-register.md b/docs/pages/get-started/check-which-features-you-can-get-and-register.md
index 98d7ac5..d6d09a7 100644
--- a/docs/pages/get-started/check-which-features-you-can-get-and-register.md
+++ b/docs/pages/get-started/check-which-features-you-can-get-and-register.md
@@ -43,7 +43,7 @@ If your organisation or service is invited to onboard, we'll send you an email.
 
 - what you need to do next
 - an online form to continue your setup
-- the Supplier Conformance Assessment List (SCAL) you need to complete before you go live.
+- information on how to complete assurance checks with the Digital Onboarding Service (DOS)
 
 {% include components/button.html
   text="Check features and register"
diff --git a/docs/pages/get-started/onboard-with-nhs-notify.md b/docs/pages/get-started/onboard-with-nhs-notify.md
index 07ba3ed..31c6b08 100644
--- a/docs/pages/get-started/onboard-with-nhs-notify.md
+++ b/docs/pages/get-started/onboard-with-nhs-notify.md
@@ -173,3 +173,22 @@ Your onboarding manager will ask for your:
 ### If you’re using NHS Notify MESH
 
 Your onboarding manager will ask for your PROD Mesh Mailbox ID.
+
+## 5. Complete assurance checks
+
+You'll need to use the [Digital Onboarding Service (DOS)](https://digital.nhs.uk/services/digital-onboarding-service) to complete assurance checks.
+
+You'll complete an online form to answer questions about how your organisation or service meets NHS standards for:
+
+* clinical safety
+* information governance
+* data protection
+* cyber security
+
+You'll need input from the people responsible for these areas in your organisation to complete the answers.
+
+{% include components/inset-text.html
+  text="Check your onboarding invitation email to find out how to start using DOS."
+  classes='nhsuk-u-margin-top-2'
+%}
+