diff --git a/src/db/index.js b/src/db/index.js
index 9f3e335..fe6ad3d 100644
--- a/src/db/index.js
+++ b/src/db/index.js
@@ -178,7 +178,6 @@ export async function populateAgreements() {
                         agreementUuid,
                     ]);
                     const agreement = {
-                        "@context": json["@context"] || 'https://protocol.jlinc.org/context/jlinc-v7.jsonld',
                         uri: `${config.publicCoreUrl}/agreements/${hash}`,
                         purposes: json.purposes || [],
                         prohibitions: json.prohibitions || [],
diff --git a/src/db/migrations/000011 - context.sql b/src/db/migrations/000011 - context.sql
new file mode 100644
index 0000000..a7ad38d
--- /dev/null
+++ b/src/db/migrations/000011 - context.sql	
@@ -0,0 +1 @@
+ALTER TABLE public.agreement ALTER COLUMN context SET DEFAULT NULL;
\ No newline at end of file
diff --git a/src/db/migrations/000012 - references.sql b/src/db/migrations/000012 - references.sql
new file mode 100644
index 0000000..ff22522
--- /dev/null
+++ b/src/db/migrations/000012 - references.sql	
@@ -0,0 +1,29 @@
+-- DROP TABLE IF EXISTS public.reference CASCADE;
+CREATE TABLE public.reference (
+    id                  BIGSERIAL PRIMARY KEY,
+    user_id             BIGINT NOT NULL REFERENCES public.user(id),
+    uri                 TEXT NOT NULL UNIQUE,
+    created_ts          TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_ts          TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+CREATE INDEX idx__public__reference__user_id        ON public.reference (user_id);
+CREATE INDEX idx__public__reference__created_ts     ON public.reference (created_ts);
+CREATE INDEX idx__public__reference__updated_ts     ON public.reference (updated_ts);
+
+-- DROP TABLE IF EXISTS public.agreement_reference CASCADE;
+CREATE TABLE public.agreement_reference (
+    id                  BIGSERIAL PRIMARY KEY,
+    user_id             BIGINT NOT NULL REFERENCES public.user(id),
+    agreement_id        BIGINT NOT NULL REFERENCES public.agreement(id),
+    reference_id        BIGINT NOT NULL REFERENCES public.reference(id),
+    created_ts          TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_ts          TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    CONSTRAINT uniq__agreement_reference_id UNIQUE (user_id, agreement_id, reference_id)
+);
+CREATE INDEX idx__public__agreement_reference__user_id        ON public.agreement_reference (user_id);
+CREATE INDEX idx__public__agreement_reference__agreement_id   ON public.agreement_reference (agreement_id);
+CREATE INDEX idx__public__agreement_reference__reference_id   ON public.agreement_reference (reference_id);
+CREATE INDEX idx__public__agreement_reference__created_ts     ON public.agreement_reference (created_ts);
+CREATE INDEX idx__public__agreement_reference__updated_ts     ON public.agreement_reference (updated_ts);
+
+ALTER TABLE public.agreement ALTER COLUMN parent DROP NOT NULL;
\ No newline at end of file
diff --git a/src/modules/core/agreement.js b/src/modules/core/agreement.js
index 816cff9..5d26135 100644
--- a/src/modules/core/agreement.js
+++ b/src/modules/core/agreement.js
@@ -3,10 +3,6 @@ const { JlincAgreement } = pkg;
 
 
 async function create(input) {
-    if (data.caveats) {
-        data.prohibitions = data.caveats;
-        delete data.caveats;
-    }
     const data = await JlincAgreement.create(input);
     const message = data?.agreementId;
     return {
diff --git a/src/modules/core/data/agreement.js b/src/modules/core/data/agreement.js
index 06b80ec..4be13e0 100644
--- a/src/modules/core/data/agreement.js
+++ b/src/modules/core/data/agreement.js
@@ -13,6 +13,18 @@ async function getAgreement(client, userId, id, key) {
                 'version', a.version,
                 '@context', a.context,
                 'parent', a.parent,
+                'references', (
+                    SELECT JSON_AGG(r.uri ORDER BY r.uri)
+                    FROM reference r
+                    INNER JOIN agreement_reference ar
+                        ON r.id = ar.reference_id
+                        AND ar.agreement_id = a.id
+                        AND (
+                            (r.user_id = a.user_id AND ar.user_id = a.user_id)
+                            OR
+                            (r.user_id IS NULL AND ar.user_id IS NULL AND a.user_id IS NULL)
+                        )
+                ),
                 'agreementId', a.agreement_id_uuid,
                 'created', a.created,
                 'ids', (
@@ -54,7 +66,7 @@ async function getAgreement(client, userId, id, key) {
                             (r.user_id = ar.user_id AND ar.user_id = a.user_id)
                             OR
                             (r.user_id IS NULL AND ar.user_id IS NULL AND a.user_id IS NULL)
-                        )                     
+                        )
                 )
             ) AS record
         FROM agreement a
@@ -74,6 +86,16 @@ async function getAgreement(client, userId, id, key) {
         if (!ret.purposes) ret.purposes = [];
         if (!ret.prohibitions) ret.prohibitions = [];
         if (!ret.validRoles) ret.validRoles = [];
+        if (ret.version == 1) {
+            delete ret.references;
+        } else {
+            delete ret["@context"];
+            delete ret.parent;
+            ret.permitted = ret.purposes;
+            delete ret.purposes;
+            ret.prohibited = ret.prohibitions;
+            delete ret.prohibitions;
+        }
         return ret;
     }
     return null;
@@ -193,7 +215,44 @@ async function save(client, userId, agreement) {
             id,
         ]);
     }
-    for (const purpose of agreement.purposes) {
+    if (agreement.references) {
+        for (const reference of agreement.references) {
+            await client.query(`
+                INSERT INTO reference (
+                    user_id,
+                    uri
+                ) VALUES (
+                    $1,
+                    $2
+                ) ON CONFLICT DO NOTHING;
+            `, [
+                userId,
+                reference,
+            ]);
+            await client.query(`
+                INSERT INTO agreement_reference (
+                    user_id,
+                    agreement_id,
+                    reference_id
+                ) VALUES (
+                    $1,
+                    $2,
+                    (
+                        SELECT id
+                        FROM reference
+                        WHERE uri = $3
+                        AND user_id ${userId ? `= $1` : `IS NULL`}
+                    )
+                );
+            `, [
+                userId,
+                res.rows[0].id,
+                reference,
+            ]);
+        }
+    }
+    const purposes = agreement.version == 1 ? agreement.purposes : agreement.permitted;
+    for (const purpose of purposes) {
         await client.query(`
             INSERT INTO purpose (
                 user_id,
@@ -227,7 +286,8 @@ async function save(client, userId, agreement) {
             purpose,
         ]);
     }
-    for (const prohibition of agreement.prohibitions) {
+    const prohibitions = agreement.version == 1 ? agreement.prohibitions : agreement.prohibited;
+    for (const prohibition of prohibitions) {
         await client.query(`
             INSERT INTO prohibition (
                 user_id,