diff --git a/OAS3.yml b/OAS3.yml
index 16c65a6..501f221 100644
--- a/OAS3.yml
+++ b/OAS3.yml
@@ -200,6 +200,84 @@ paths:
         '404':
           $ref: '#/components/responses/NotFound'
 
+  /document/{id}/{type}:
+    parameters:
+      - in: path
+        name: id
+        required: true
+        schema:
+          type: string
+        description: Entity ID
+      - in: path
+        name: type
+        required: true
+        schema:
+          type: string
+          enum: [application, sepa]
+        description: Type of document to upload
+      - in: header
+        name: Authentication
+        schema:
+          type: string
+        description: Authentication token
+    post:
+      summary: Upload a PDF document for a member
+      description: Note that the entry must be updated with the URI obtained from this call
+      tags:
+        - document
+      requestBody:
+        description: The document
+        content:
+          'application/pdf':
+            schema:
+              type: string
+              format: binary
+      responses:
+        '201':
+          description: File has been stored ("created") locally, returns the URI for downloading the file
+          content:
+            text/plain:
+              schema:
+                type: string
+                format: uri
+        '303':
+          description: The file is already in storage, returns the URI for downloading the file
+          content:
+            text/plain:
+              schema:
+                type: string
+                format: uri
+        '401':
+          $ref: '#/components/responses/AuthenticationRequired'
+        '403':
+          $ref: '#/components/responses/NotAllowed'
+        '405':
+          $ref: '#/components/responses/InvalidInput'
+        '500':
+          $ref: '#/components/responses/InternalError'
+    get:
+      summary: Get a PDF document for a member
+      tags:
+        - document
+      responses:
+        '200':
+          description: Returns PDF data
+          content:
+            'application/pdf':
+              schema:
+                type: string
+                format: binary
+        '404':
+          $ref: '#/components/responses/NotFound'
+        '401':
+          $ref: '#/components/responses/AuthenticationRequired'
+        '403':
+          $ref: '#/components/responses/NotAllowed'
+        '405':
+          $ref: '#/components/responses/InvalidInput'
+        '500':
+          $ref: '#/components/responses/InternalError'
+
 components:
   schemas:
     health:
@@ -236,4 +314,3 @@ components:
           schema:
             type: string
             example: error message
-