diff --git a/program-tests/registry-test/tests/test_register_anytime.rs b/program-tests/registry-test/tests/test_register_anytime.rs
new file mode 100644
index 0000000000..0971c61819
--- /dev/null
+++ b/program-tests/registry-test/tests/test_register_anytime.rs
@@ -0,0 +1,93 @@
+use forester_utils::forester_epoch::Epoch;
+use light_program_test::{
+    program_test::{LightProgramTest, TestRpc},
+    ProgramTestConfig,
+};
+use light_registry::{
+    protocol_config::state::{ProtocolConfig, ProtocolConfigPda},
+    ForesterConfig, ForesterEpochPda,
+};
+use light_test_utils::{
+    assert_epoch::{assert_epoch_pda, assert_registered_forester_pda},
+    register_test_forester, Rpc,
+};
+use serial_test::serial;
+use solana_sdk::{signature::Keypair, signer::Signer};
+
+/// Verifies that foresters can register for an epoch outside the original
+/// registration window (slots 0-99 with default config). Previously this
+/// would fail with `NotInRegistrationPeriod`.
+#[serial]
+#[tokio::test]
+async fn test_forester_register_outside_registration_phase() {
+    let config = ProgramTestConfig {
+        protocol_config: ProtocolConfig::default(),
+        with_prover: false,
+        with_forester: false,
+        ..Default::default()
+    };
+    let mut rpc = LightProgramTest::new(config).await.unwrap();
+    rpc.indexer = None;
+    let env = rpc.test_accounts.clone();
+
+    let forester_keypair = Keypair::new();
+    rpc.airdrop_lamports(&forester_keypair.pubkey(), 1_000_000_000)
+        .await
+        .unwrap();
+
+    // Register the base forester PDA.
+    register_test_forester(
+        &mut rpc,
+        &env.protocol.governance_authority,
+        &forester_keypair.pubkey(),
+        ForesterConfig { fee: 1 },
+    )
+    .await
+    .unwrap();
+
+    let protocol_config = rpc
+        .get_anchor_account::<ProtocolConfigPda>(&env.protocol.governance_authority_pda)
+        .await
+        .unwrap()
+        .unwrap()
+        .config;
+
+    // Warp to slot 500 -- well past the old registration window (0-99).
+    // With ProtocolConfig::default() the active phase starts at slot 100.
+    rpc.warp_to_slot(500).unwrap();
+
+    // Register for epoch 0 with explicit epoch to bypass client-side
+    // auto-detection (which would skip if not in registration phase).
+    let registered_epoch = Epoch::register(
+        &mut rpc,
+        &protocol_config,
+        &forester_keypair,
+        &forester_keypair.pubkey(),
+        Some(0),
+    )
+    .await
+    .unwrap();
+
+    assert!(
+        registered_epoch.is_some(),
+        "Forester should be able to register outside the original registration window"
+    );
+    let registered_epoch = registered_epoch.unwrap();
+
+    let forester_epoch_pda = rpc
+        .get_anchor_account::<ForesterEpochPda>(&registered_epoch.forester_epoch_pda)
+        .await
+        .unwrap()
+        .unwrap();
+    assert_eq!(forester_epoch_pda.epoch, 0);
+    assert!(forester_epoch_pda.total_epoch_weight.is_none());
+
+    assert_epoch_pda(&mut rpc, 0, 1).await;
+    assert_registered_forester_pda(
+        &mut rpc,
+        &registered_epoch.forester_epoch_pda,
+        &forester_keypair.pubkey(),
+        0,
+    )
+    .await;
+}
diff --git a/programs/registry/src/protocol_config/state.rs b/programs/registry/src/protocol_config/state.rs
index eaaa41b2b1..d3094498a8 100644
--- a/programs/registry/src/protocol_config/state.rs
+++ b/programs/registry/src/protocol_config/state.rs
@@ -184,12 +184,16 @@ impl ProtocolConfig {
 
     /// In the last part of the active phase the registration phase starts.
     /// Returns end slot of the registration phase/start slot of the next active phase.
+    /// Registration phase time check is temporarily disabled to allow
+    /// foresters to register for the current epoch at any time.        
     pub fn is_registration_phase(&self, slot: u64) -> Result<u64> {
         let latest_register_epoch = self.get_latest_register_epoch(slot)?;
+        /*
         let latest_register_epoch_progress = self.get_latest_register_epoch_progress(slot)?;
         if latest_register_epoch_progress >= self.registration_phase_length {
             return err!(RegistryError::NotInRegistrationPeriod);
-        }
+        } */
+
         Ok((latest_register_epoch) * self.active_phase_length
             + self.genesis_slot
             + self.registration_phase_length)
diff --git a/sdk-tests/csdk-anchor-full-derived-test/tests/integration_tests.rs b/sdk-tests/csdk-anchor-full-derived-test/tests/integration_tests.rs
index 9b40b900e5..2c3e82972a 100644
--- a/sdk-tests/csdk-anchor-full-derived-test/tests/integration_tests.rs
+++ b/sdk-tests/csdk-anchor-full-derived-test/tests/integration_tests.rs
@@ -3863,7 +3863,7 @@ async fn test_d9_edge_many_literals() {
 #[tokio::test]
 async fn test_d9_edge_mixed() {
     use csdk_anchor_full_derived_test::d9_seeds::{
-        edge_cases::{AB, SEED_123, _UNDERSCORE_CONST},
+        edge_cases::{_UNDERSCORE_CONST, AB, SEED_123},
         D9EdgeMixedParams,
     };