diff --git a/Cargo.lock b/Cargo.lock
index db64625b..3a674db2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6035,7 +6035,7 @@ checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 [[package]]
 name = "videre-host"
 version = "0.1.0"
-source = "git+https://github.com/nullislabs/videre-nexum-module?rev=fd8af027d9ae84823f8fcdcc6902b3af80cab451#fd8af027d9ae84823f8fcdcc6902b3af80cab451"
+source = "git+https://github.com/nullislabs/videre-nexum-module?rev=9ab15152b9279974cb42c3ee3aff054344f6050d#9ab15152b9279974cb42c3ee3aff054344f6050d"
 dependencies = [
  "anyhow",
  "derive_more",
@@ -6053,7 +6053,7 @@ dependencies = [
 [[package]]
 name = "videre-macros"
 version = "0.1.0"
-source = "git+https://github.com/nullislabs/videre-nexum-module?rev=fd8af027d9ae84823f8fcdcc6902b3af80cab451#fd8af027d9ae84823f8fcdcc6902b3af80cab451"
+source = "git+https://github.com/nullislabs/videre-nexum-module?rev=9ab15152b9279974cb42c3ee3aff054344f6050d#9ab15152b9279974cb42c3ee3aff054344f6050d"
 dependencies = [
  "nexum-world",
  "proc-macro2",
@@ -6065,7 +6065,7 @@ dependencies = [
 [[package]]
 name = "videre-sdk"
 version = "0.1.0"
-source = "git+https://github.com/nullislabs/videre-nexum-module?rev=fd8af027d9ae84823f8fcdcc6902b3af80cab451#fd8af027d9ae84823f8fcdcc6902b3af80cab451"
+source = "git+https://github.com/nullislabs/videre-nexum-module?rev=9ab15152b9279974cb42c3ee3aff054344f6050d#9ab15152b9279974cb42c3ee3aff054344f6050d"
 dependencies = [
  "borsh",
  "http",
@@ -6081,7 +6081,7 @@ dependencies = [
 [[package]]
 name = "videre-status-body"
 version = "0.1.0"
-source = "git+https://github.com/nullislabs/videre-nexum-module?rev=fd8af027d9ae84823f8fcdcc6902b3af80cab451#fd8af027d9ae84823f8fcdcc6902b3af80cab451"
+source = "git+https://github.com/nullislabs/videre-nexum-module?rev=9ab15152b9279974cb42c3ee3aff054344f6050d#9ab15152b9279974cb42c3ee3aff054344f6050d"
 dependencies = [
  "borsh",
  "thiserror 2.0.18",
@@ -6090,7 +6090,7 @@ dependencies = [
 [[package]]
 name = "videre-test"
 version = "0.1.0"
-source = "git+https://github.com/nullislabs/videre-nexum-module?rev=fd8af027d9ae84823f8fcdcc6902b3af80cab451#fd8af027d9ae84823f8fcdcc6902b3af80cab451"
+source = "git+https://github.com/nullislabs/videre-nexum-module?rev=9ab15152b9279974cb42c3ee3aff054344f6050d#9ab15152b9279974cb42c3ee3aff054344f6050d"
 dependencies = [
  "borsh",
  "hex",
diff --git a/crates/composable-cow/Cargo.toml b/crates/composable-cow/Cargo.toml
index 3809e6d3..f8ec91a2 100644
--- a/crates/composable-cow/Cargo.toml
+++ b/crates/composable-cow/Cargo.toml
@@ -22,7 +22,7 @@ nexum-sdk = { git = "https://github.com/nullislabs/nexum-runtime", rev = "2ed882
 # `run` slice: the keeper run over the typed CoW client on the
 # `videre:venue/client` seam.
 cow-venue = { path = "../cow-venue", features = ["client", "assembly"], optional = true }
-videre-sdk = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "fd8af027d9ae84823f8fcdcc6902b3af80cab451", optional = true }
+videre-sdk = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "9ab15152b9279974cb42c3ee3aff054344f6050d", optional = true }
 tracing = { workspace = true, optional = true }
 
 [features]
diff --git a/crates/composable-cow/src/run.rs b/crates/composable-cow/src/run.rs
index 5376c6cd..02671725 100644
--- a/crates/composable-cow/src/run.rs
+++ b/crates/composable-cow/src/run.rs
@@ -11,13 +11,13 @@
 //! never dropped.
 //!
 //! Store faults abort the run (the next tick replays it); a submission
-//! failure folds into a [`RetryAction`], a `denied` refusal re-entering
-//! the CoW classification by its errorType prefix ([`classify_denied`]).
+//! failure folds into a [`RetryAction`] through [`CowFaults`], which the
+//! reconcile pass reads too, so both paths classify a refusal alike.
 //! Diagnostics go through the guest `tracing` facade.
 
 use alloy_primitives::{Address, Bytes, hex};
 use cow_venue::assembly::{gpv2_to_order_data, order_data_to_body};
-use cow_venue::{CowClient, CowIntent, CowIntentBody, CowVenue, SignedOrder, classify_denied};
+use cow_venue::{CowClient, CowFaults, CowIntent, CowIntentBody, CowVenue, SignedOrder};
 use cowprotocol::GPv2OrderData;
 use nexum_sdk::host::{Fault, ListQuery, LocalStoreHost};
 use nexum_sdk::keeper::{
@@ -26,11 +26,10 @@ use nexum_sdk::keeper::{
 };
 use std::task::Poll;
 
+use videre_sdk::FaultPolicy as _;
 use videre_sdk::client::poll_once;
-use videre_sdk::keeper::{retry_action, submission_key};
-use videre_sdk::{
-    ClientError, IntentBody as _, SubmitOutcome, Venue as _, VenueFault, VenueTransport,
-};
+use videre_sdk::keeper::submission_key;
+use videre_sdk::{ClientError, IntentBody as _, SubmitOutcome, Venue as _, VenueTransport};
 
 use crate::{NextPoll, Verdict};
 
@@ -57,6 +56,7 @@ where
         &journal,
         tick,
         videre_sdk::DEFAULT_RECONCILE_BUDGET,
+        &CowFaults,
     )) {
         Poll::Ready(res) => {
             res?;
@@ -429,10 +429,7 @@ where
             tracing::error!("intent body encode failed: {err}");
         }
         Err(ClientError::Venue(fault)) => {
-            let action = match &fault {
-                VenueFault::Denied(detail) => classify_denied(detail),
-                other => retry_action(other),
-            };
+            let action = CowFaults.action(&fault);
             Retrier::new(host).apply(commitment, action, tick)?;
             match action {
                 RetryAction::TryNextBlock => tracing::warn!("submit retry-next-block: {fault}"),
diff --git a/crates/composable-cow/tests/run.rs b/crates/composable-cow/tests/run.rs
index a80b5072..b2a2ee24 100644
--- a/crates/composable-cow/tests/run.rs
+++ b/crates/composable-cow/tests/run.rs
@@ -1946,3 +1946,37 @@ fn an_insufficient_valid_to_keeps_the_commitment() {
 
     assert!(host.store.snapshot().contains_key(&key));
 }
+
+/// The reconcile pass must read the venue's policy, not the platform
+/// default. A stranded reservation answered with a receipt this keeper
+/// cannot correlate is kept, because the orderbook dedupes on the order
+/// uid and the order may be on the book; releasing it forgets a submit
+/// that is owed.
+#[test]
+fn reconcile_keeps_a_reservation_the_cow_policy_can_retry() {
+    let host = MockHost::new();
+    seed_commitment(&host);
+    let key = "cow:0xdeadbeef";
+    Journal::submitted(&host)
+        .reserve(key, b"body")
+        .expect("reserve");
+
+    let venue = MockVenue::default();
+    venue.enqueue_submit(Err(VenueFault::ReceiptMismatch));
+
+    run(
+        &host,
+        &client(&venue),
+        &src(|_, _, _, _| Verdict::TryNextBlock {
+            reason: Selector::ZERO,
+        }),
+        &sample_tick(),
+    )
+    .unwrap();
+
+    assert_eq!(
+        Journal::submitted(&host).mark(key).unwrap(),
+        Some(Mark::Reserved),
+        "the reservation survives a fault the venue can retry",
+    );
+}
diff --git a/crates/cow-venue/Cargo.toml b/crates/cow-venue/Cargo.toml
index 5fcf92b0..cb64655b 100644
--- a/crates/cow-venue/Cargo.toml
+++ b/crates/cow-venue/Cargo.toml
@@ -16,7 +16,7 @@ workspace = true
 borsh = { workspace = true, optional = true }
 # Source of the `IntentBody` derive and trait the version enum implements,
 # and the typed intent client the `client` slice binds to the CoW venue.
-videre-sdk = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "fd8af027d9ae84823f8fcdcc6902b3af80cab451", optional = true }
+videre-sdk = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "9ab15152b9279974cb42c3ee3aff054344f6050d", optional = true }
 # `client` slice only: the keeper `RetryAction` the generated
 # classification table maps each errorType to. The TOML parse happens in
 # `build.rs`, so serde/toml/thiserror are build- and dev-only and never
@@ -39,7 +39,7 @@ serde_json = { workspace = true, optional = true }
 http = { workspace = true, optional = true }
 url = { workspace = true, optional = true }
 # The registration seam: `VenueInvoker`, `VenueRegistry`, and `Liveness`.
-videre-host = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "fd8af027d9ae84823f8fcdcc6902b3af80cab451", optional = true }
+videre-host = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "9ab15152b9279974cb42c3ee3aff054344f6050d", optional = true }
 # `BoxFuture` plus `FutureExt::boxed`, the shape `VenueInvoker` returns.
 futures = { workspace = true, optional = true }
 # The venue owns its HTTP client; there is no scoped host import left to
@@ -59,7 +59,7 @@ serde = { workspace = true }
 toml = { workspace = true }
 thiserror = { workspace = true }
 # The conformance kit: holds the body codec to its published vector set.
-videre-test = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "fd8af027d9ae84823f8fcdcc6902b3af80cab451" }
+videre-test = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "9ab15152b9279974cb42c3ee3aff054344f6050d" }
 # Parity tests: the upstream `retry_hint()` the shipped table is
 # reconciled against.
 cowprotocol = { version = "0.2.0", default-features = false }
diff --git a/crates/cow-venue/src/classification.rs b/crates/cow-venue/src/classification.rs
index 4e5a9c86..ebdf80d8 100644
--- a/crates/cow-venue/src/classification.rs
+++ b/crates/cow-venue/src/classification.rs
@@ -112,6 +112,39 @@ pub fn is_already_submitted(error_type: OrderbookApiErrorType) -> bool {
     table().is_already_submitted(&error_type)
 }
 
+/// How long a receipt this keeper cannot correlate holds a commitment
+/// out of the rotation.
+pub const RECEIPT_BACKOFF_S: u64 = 300;
+
+/// The CoW orderbook's fault policy.
+///
+/// A submission is an order keyed by its uid, and the orderbook dedupes
+/// on that uid, so re-sending one it already accepted comes back as
+/// already held rather than executed twice. That idempotency is what
+/// makes a receipt this keeper cannot correlate worth retrying: the
+/// order may be on the book, and removing the commitment would forget
+/// it. `videre` cannot assume that of a venue, which is why it is
+/// asserted here rather than in the default.
+///
+/// Denials route through the shipped table, so the reconcile pass and
+/// the submit path read the same policy. They did not before: reconcile
+/// took the platform default while the submit path took the table.
+#[derive(Clone, Copy, Debug, Default)]
+pub struct CowFaults;
+
+impl videre_sdk::FaultPolicy for CowFaults {
+    fn action(&self, fault: &videre_sdk::VenueFault) -> RetryAction {
+        use videre_sdk::VenueFault;
+        match fault {
+            VenueFault::Denied(detail) => classify_denied(detail),
+            VenueFault::InvalidReceipt | VenueFault::ReceiptMismatch => RetryAction::Backoff {
+                seconds: RECEIPT_BACKOFF_S,
+            },
+            other => videre_sdk::retry_action(other),
+        }
+    }
+}
+
 /// Retry action for a coarse `denied` refusal: the `{errorType}:`
 /// prefix re-enters the table.
 ///
@@ -376,4 +409,64 @@ mod tests {
         assert!(first.contains_key("error-type"));
         assert!(first.contains_key("action"));
     }
+
+    /// The orderbook dedupes on the order uid, so a receipt this keeper
+    /// cannot correlate may still name an order that is on the book.
+    /// Removing the commitment would forget it.
+    #[test]
+    fn a_receipt_fault_backs_off_rather_than_removing() {
+        use videre_sdk::FaultPolicy as _;
+
+        for fault in [
+            videre_sdk::VenueFault::ReceiptMismatch,
+            videre_sdk::VenueFault::InvalidReceipt,
+        ] {
+            assert_eq!(
+                CowFaults.action(&fault),
+                RetryAction::Backoff {
+                    seconds: RECEIPT_BACKOFF_S,
+                },
+                "{fault:?}",
+            );
+            assert!(!CowFaults.is_terminal(&fault), "{fault:?} must not release");
+        }
+    }
+
+    /// Denials route through the shipped table, so the reconcile pass
+    /// reads the same policy the submit path does. It took the platform
+    /// default before, which knows nothing of the table.
+    #[test]
+    fn a_denial_routes_through_the_table() {
+        use videre_sdk::FaultPolicy as _;
+
+        let clearable =
+            videre_sdk::VenueFault::Denied("InsufficientBalance: not enough".to_owned());
+        assert_eq!(
+            CowFaults.action(&clearable),
+            RetryAction::Backoff { seconds: 600 },
+        );
+        assert!(!CowFaults.is_terminal(&clearable));
+
+        let permanent = videre_sdk::VenueFault::Denied("WrongOwner: not yours".to_owned());
+        assert_eq!(CowFaults.action(&permanent), RetryAction::Drop);
+        assert!(CowFaults.is_terminal(&permanent));
+    }
+
+    /// Everything the venue says nothing special about keeps the
+    /// platform default.
+    #[test]
+    fn other_faults_keep_the_platform_default() {
+        use videre_sdk::FaultPolicy as _;
+
+        for fault in [
+            videre_sdk::VenueFault::Timeout,
+            videre_sdk::VenueFault::InvalidBody("bad".to_owned()),
+        ] {
+            assert_eq!(
+                CowFaults.action(&fault),
+                videre_sdk::retry_action(&fault),
+                "{fault:?}",
+            );
+        }
+    }
 }
diff --git a/crates/cow-venue/src/lib.rs b/crates/cow-venue/src/lib.rs
index f2829853..482926a1 100644
--- a/crates/cow-venue/src/lib.rs
+++ b/crates/cow-venue/src/lib.rs
@@ -60,6 +60,8 @@ pub use cowprotocol::Chain;
 pub use transport::{OrderbookHttp, Transport};
 
 #[cfg(feature = "client")]
-pub use classification::{ClassificationTable, classify, classify_denied, is_already_submitted};
+pub use classification::{
+    ClassificationTable, CowFaults, classify, classify_denied, is_already_submitted,
+};
 #[cfg(feature = "client")]
 pub use client::{CowClient, CowVenue, VENUE_ID, intent_id};
diff --git a/crates/shepherd-engine/Cargo.toml b/crates/shepherd-engine/Cargo.toml
index 8b5a5b79..9c4979b7 100644
--- a/crates/shepherd-engine/Cargo.toml
+++ b/crates/shepherd-engine/Cargo.toml
@@ -15,7 +15,7 @@ path = "src/main.rs"
 [dependencies]
 nexum-launch = { git = "https://github.com/nullislabs/nexum-runtime", rev = "2ed882f21e685921cd27d1edec870e8adbb312aa" }
 nexum-runtime = { git = "https://github.com/nullislabs/nexum-runtime", rev = "2ed882f21e685921cd27d1edec870e8adbb312aa" }
-videre-host = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "fd8af027d9ae84823f8fcdcc6902b3af80cab451" }
+videre-host = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "9ab15152b9279974cb42c3ee3aff054344f6050d" }
 
 # The CoW venue, a native `videre_host::VenueInvoker` linked into this
 # binary. It was a guest wasm component the operator wired by path until
@@ -43,4 +43,4 @@ nexum-runtime = { git = "https://github.com/nullislabs/nexum-runtime", rev = "2e
 # The versioned status-body codec the intent-status envelope carries; the
 # tests build a `StatusBody` and encode it into an `IntentStatusUpdate`.
 # Pinned to the same videre rev as `videre-host`.
-videre-status-body = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "fd8af027d9ae84823f8fcdcc6902b3af80cab451" }
+videre-status-body = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "9ab15152b9279974cb42c3ee3aff054344f6050d" }
diff --git a/modules/ccow-monitor/Cargo.toml b/modules/ccow-monitor/Cargo.toml
index d5c6ce76..dbbac47f 100644
--- a/modules/ccow-monitor/Cargo.toml
+++ b/modules/ccow-monitor/Cargo.toml
@@ -12,7 +12,7 @@ crate-type = ["cdylib"]
 composable-cow = { path = "../../crates/composable-cow", features = ["run"] }
 cow-venue = { path = "../../crates/cow-venue", features = ["client"] }
 nexum-sdk = { git = "https://github.com/nullislabs/nexum-runtime", rev = "2ed882f21e685921cd27d1edec870e8adbb312aa" }
-videre-sdk = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "fd8af027d9ae84823f8fcdcc6902b3af80cab451" }
+videre-sdk = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "9ab15152b9279974cb42c3ee3aff054344f6050d" }
 alloy-primitives = { version = "1.6", default-features = false, features = ["std"] }
 alloy-sol-types = { version = "1.6", default-features = false, features = ["std"] }
 tracing = { version = "0.1", default-features = false }
diff --git a/modules/ethflow-watcher/Cargo.toml b/modules/ethflow-watcher/Cargo.toml
index 50322b00..bd94a3cc 100644
--- a/modules/ethflow-watcher/Cargo.toml
+++ b/modules/ethflow-watcher/Cargo.toml
@@ -11,7 +11,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 nexum-sdk = { git = "https://github.com/nullislabs/nexum-runtime", rev = "2ed882f21e685921cd27d1edec870e8adbb312aa" }
-videre-sdk = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "fd8af027d9ae84823f8fcdcc6902b3af80cab451" }
+videre-sdk = { git = "https://github.com/nullislabs/videre-nexum-module", rev = "9ab15152b9279974cb42c3ee3aff054344f6050d" }
 cow-venue = { path = "../../crates/cow-venue", features = ["client", "assembly"] }
 cowprotocol = { version = "0.2.0", default-features = false }
 alloy-primitives = { version = "1.6", default-features = false, features = ["std"] }