diff --git a/common/proto/accounting.proto b/common/proto/accounting.proto
index c9310f4f..18d5b3ad 100644
--- a/common/proto/accounting.proto
+++ b/common/proto/accounting.proto
@@ -122,7 +122,9 @@ message PostJournalRequest {
 
 message JournalLineInput {
   JournalSide side = 1;
-  string account_code = 2;
+  // Parsed account path segments. The client owns presentation parsing; the
+  // server accepts no delimiter-encoded account string.
+  repeated string account_segments = 2;
   string amount = 3;
   string description = 4;
 }
diff --git a/common/src/proto/descriptor.bin b/common/src/proto/descriptor.bin
index a869dc61..bc7427fa 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.accounting.rs b/common/src/proto/komp_ac.accounting.rs
index 37e659ea..0fa81515 100644
--- a/common/src/proto/komp_ac.accounting.rs
+++ b/common/src/proto/komp_ac.accounting.rs
@@ -40,8 +40,10 @@ pub struct PostJournalRequest {
 pub struct JournalLineInput {
     #[prost(enumeration = "JournalSide", tag = "1")]
     pub side: i32,
-    #[prost(string, tag = "2")]
-    pub account_code: ::prost::alloc::string::String,
+    /// Parsed account path segments. The client owns presentation parsing; the
+    /// server accepts no delimiter-encoded account string.
+    #[prost(string, repeated, tag = "2")]
+    pub account_segments: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
     #[prost(string, tag = "3")]
     pub amount: ::prost::alloc::string::String,
     #[prost(string, tag = "4")]
diff --git a/server b/server
index c637ba78..4204f743 160000
--- a/server
+++ b/server
@@ -1 +1 @@
-Subproject commit c637ba7883e613ffb346ed6967a8add06139a676
+Subproject commit 4204f743738302176cd0e870249a2afbd2fed41a