diff --git a/client b/client
index 8605da5..4a6fba3 160000
--- a/client
+++ b/client
@@ -1 +1 @@
-Subproject commit 8605da5f4869ab05d91b389e69f7f4719ce6e4e1
+Subproject commit 4a6fba395ae266e7ad8f4ffeeb959b6d91309eee
diff --git a/common/proto/table_definition.proto b/common/proto/table_definition.proto
index 19361bf..11eb568 100644
--- a/common/proto/table_definition.proto
+++ b/common/proto/table_definition.proto
@@ -55,6 +55,10 @@ message TableLink {
   // Otherwise the column allows NULL.
   // Duplicate links to the same target table in one request are rejected.
   bool required = 2;
+
+  // User-defined column read from this linked row as the journal account.
+  // Exactly one required link must set this when the table contains ACCOUNTING.
+  string account_value_column = 3;
 }
 
 // Defines the input for creating a new table definition.
diff --git a/common/src/proto/descriptor.bin b/common/src/proto/descriptor.bin
index 8673c3a..fc0fd3c 100644
Binary files a/common/src/proto/descriptor.bin and b/common/src/proto/descriptor.bin differ
diff --git a/common/src/proto/komp_ac.table_definition.rs b/common/src/proto/komp_ac.table_definition.rs
index 0dbd787..49308ec 100644
--- a/common/src/proto/komp_ac.table_definition.rs
+++ b/common/src/proto/komp_ac.table_definition.rs
@@ -13,6 +13,10 @@ pub struct TableLink {
     /// Duplicate links to the same target table in one request are rejected.
     #[prost(bool, tag = "2")]
     pub required: bool,
+    /// User-defined column read from this linked row as the journal account.
+    /// Exactly one required link must set this when the table contains ACCOUNTING.
+    #[prost(string, tag = "3")]
+    pub account_value_column: ::prost::alloc::string::String,
 }
 /// Defines the input for creating a new table definition.
 #[derive(serde::Serialize, serde::Deserialize)]
diff --git a/graphs/src/pages/add_table/state.rs b/graphs/src/pages/add_table/state.rs
index 3fda684..2d2b795 100644
--- a/graphs/src/pages/add_table/state.rs
+++ b/graphs/src/pages/add_table/state.rs
@@ -93,6 +93,7 @@ impl CreateTableForm {
             .map(|linked_table_name| TableLink {
                 linked_table_name,
                 required: true,
+                account_value_column: String::new(),
             })
             .collect::<Vec<_>>();
         links.extend(
@@ -101,6 +102,7 @@ impl CreateTableForm {
                 .map(|linked_table_name| TableLink {
                     linked_table_name,
                     required: false,
+                    account_value_column: String::new(),
                 }),
         );
 
diff --git a/server b/server
index 01ce5a6..2b4dfbf 160000
--- a/server
+++ b/server
@@ -1 +1 @@
-Subproject commit 01ce5a63b7ffd8ccc6336cb508364e69c4d6b40b
+Subproject commit 2b4dfbf8ffc96bb697cd28feff1d47afbb8996e2