diff --git a/crates/native_blockifier/src/py_l1_handler.rs b/crates/native_blockifier/src/py_l1_handler.rs
index 9af53c0189..ede488bc01 100644
--- a/crates/native_blockifier/src/py_l1_handler.rs
+++ b/crates/native_blockifier/src/py_l1_handler.rs
@@ -4,7 +4,7 @@ use pyo3::prelude::*;
 use starknet_api::core::{ContractAddress, EntryPointSelector, Nonce};
 use starknet_api::executable_transaction::L1HandlerTransaction;
 use starknet_api::transaction::fields::{Calldata, Fee};
-use starknet_api::transaction::{constants, TransactionHash};
+use starknet_api::transaction::TransactionHash;
 
 use crate::errors::{NativeBlockifierInputError, NativeBlockifierResult};
 use crate::py_utils::{from_py_felts, py_attr, PyFelt};
@@ -20,13 +20,12 @@ struct PyL1HandlerTransaction {
 impl TryFrom<PyL1HandlerTransaction> for starknet_api::transaction::L1HandlerTransaction {
     type Error = NativeBlockifierInputError;
     fn try_from(tx: PyL1HandlerTransaction) -> Result<Self, Self::Error> {
-        Ok(Self {
-            version: constants::L1_HANDLER_VERSION,
-            nonce: Nonce(tx.nonce.0),
-            contract_address: ContractAddress::try_from(tx.contract_address.0)?,
-            entry_point_selector: EntryPointSelector(tx.entry_point_selector.0),
-            calldata: Calldata(Arc::from(from_py_felts(tx.calldata))),
-        })
+        Ok(Self::new(
+            Nonce(tx.nonce.0),
+            ContractAddress::try_from(tx.contract_address.0)?,
+            EntryPointSelector(tx.entry_point_selector.0),
+            Calldata(Arc::from(from_py_felts(tx.calldata))),
+        ))
     }
 }
 
diff --git a/crates/papyrus_protobuf/src/converters/transaction.rs b/crates/papyrus_protobuf/src/converters/transaction.rs
index 5232afcfd1..a376bfc349 100644
--- a/crates/papyrus_protobuf/src/converters/transaction.rs
+++ b/crates/papyrus_protobuf/src/converters/transaction.rs
@@ -7,7 +7,6 @@ use prost::Message;
 use starknet_api::block::GasPrice;
 use starknet_api::core::{ClassHash, CompiledClassHash, EntryPointSelector, Nonce};
 use starknet_api::execution_resources::GasAmount;
-use starknet_api::transaction::constants::L1_HANDLER_VERSION;
 use starknet_api::transaction::fields::{
     AccountDeploymentData,
     AllResourceBounds,
@@ -1254,8 +1253,6 @@ impl From<DeployTransaction> for protobuf::transaction::Deploy {
 impl TryFrom<protobuf::transaction::L1HandlerV0> for L1HandlerTransaction {
     type Error = ProtobufConversionError;
     fn try_from(value: protobuf::transaction::L1HandlerV0) -> Result<Self, Self::Error> {
-        let version = L1_HANDLER_VERSION;
-
         let nonce = Nonce(
             value
                 .nonce
@@ -1284,7 +1281,7 @@ impl TryFrom<protobuf::transaction::L1HandlerV0> for L1HandlerTransaction {
 
         let calldata = Calldata(calldata.into());
 
-        Ok(Self { version, nonce, contract_address, entry_point_selector, calldata })
+        Ok(Self::new(nonce, contract_address, entry_point_selector, calldata))
     }
 }
 
diff --git a/crates/papyrus_rpc/src/v0_8/transaction.rs b/crates/papyrus_rpc/src/v0_8/transaction.rs
index 6ea8d75b8b..33bfaf6a0c 100644
--- a/crates/papyrus_rpc/src/v0_8/transaction.rs
+++ b/crates/papyrus_rpc/src/v0_8/transaction.rs
@@ -27,7 +27,6 @@ use starknet_api::core::{
 use starknet_api::data_availability::DataAvailabilityMode;
 use starknet_api::execution_resources::GasAmount;
 use starknet_api::serde_utils::bytes_from_hex_str;
-use starknet_api::transaction::constants::L1_HANDLER_VERSION;
 use starknet_api::transaction::fields::{
     AccountDeploymentData,
     AllResourceBounds,
@@ -1281,13 +1280,7 @@ impl From<MessageFromL1> for L1HandlerTransaction {
         let mut calldata = vec![sender_as_felt];
         calldata.extend_from_slice(&message.payload.0);
         let calldata = Calldata(Arc::new(calldata));
-        Self {
-            version: L1_HANDLER_VERSION,
-            contract_address: message.to_address,
-            entry_point_selector: message.entry_point_selector,
-            calldata,
-            ..Default::default()
-        }
+        Self::new(Nonce::default(), message.to_address, message.entry_point_selector, calldata)
     }
 }
 
diff --git a/crates/papyrus_rpc/src/v0_8/transaction_test.rs b/crates/papyrus_rpc/src/v0_8/transaction_test.rs
index 645776169f..4b61923f14 100644
--- a/crates/papyrus_rpc/src/v0_8/transaction_test.rs
+++ b/crates/papyrus_rpc/src/v0_8/transaction_test.rs
@@ -7,7 +7,6 @@ use papyrus_test_utils::{
 use pretty_assertions::assert_eq;
 use starknet_api::core::{ClassHash, ContractAddress, EntryPointSelector, Nonce};
 use starknet_api::data_availability::DataAvailabilityMode;
-use starknet_api::transaction::constants::L1_HANDLER_VERSION;
 use starknet_api::transaction::fields::{
     AccountDeploymentData,
     Calldata,
@@ -38,16 +37,15 @@ use super::{
 
 lazy_static::lazy_static! {
     // A transaction from MAINNET with tx hash 0x439e12f67962c353182d72b4af12c3f11eaba4b36e552aebcdcd6db66971bdb.
-    static ref L1_HANDLER_TX: L1HandlerTransaction = L1HandlerTransaction {
-        version: L1_HANDLER_VERSION,
-        nonce: nonce!(0x18e94d),
-        contract_address: contract_address!(
+    static ref L1_HANDLER_TX: L1HandlerTransaction = L1HandlerTransaction::new(
+        nonce!(0x18e94d),
+        contract_address!(
             "0x73314940630fd6dcda0d772d4c972c4e0a9946bef9dabf4ef84eda8ef542b82"
         ),
-        entry_point_selector: EntryPointSelector(felt!(
+        EntryPointSelector(felt!(
             "0x1b64b1b3b690b43b9b514fb81377518f4039cd3e4f4914d8a6bdf01d679fb19"
         )),
-        calldata: calldata![
+        calldata![
             felt!("0xae0ee0a63a2ce6baeeffe56e7714fb4efe48d419"),
             felt!("0x455448"),
             felt!("0xc27947400e26e534e677afc2e9b2ec1bab14fc89"),
@@ -55,7 +53,7 @@ lazy_static::lazy_static! {
             felt!("0x9184e72a000"),
             felt!("0x0")
         ],
-    };
+    );
 }
 
 // The msg hash of the L1Handler transaction.
diff --git a/crates/starknet_api/src/test_utils/l1_handler.rs b/crates/starknet_api/src/test_utils/l1_handler.rs
index bc848a6b01..beb669e979 100644
--- a/crates/starknet_api/src/test_utils/l1_handler.rs
+++ b/crates/starknet_api/src/test_utils/l1_handler.rs
@@ -1,7 +1,7 @@
 use crate::core::{ContractAddress, EntryPointSelector, Nonce};
 use crate::executable_transaction::L1HandlerTransaction as ExecutableL1HandlerTransaction;
 use crate::transaction::fields::{Calldata, Fee};
-use crate::transaction::{L1HandlerTransaction, TransactionHash, TransactionVersion};
+use crate::transaction::{L1HandlerTransaction, TransactionHash};
 
 #[derive(Clone, Default)]
 pub struct L1HandlerTxArgs {
@@ -34,13 +34,12 @@ pub fn executable_l1_handler_tx(
     l1_handler_tx_args: L1HandlerTxArgs,
 ) -> ExecutableL1HandlerTransaction {
     ExecutableL1HandlerTransaction {
-        tx: L1HandlerTransaction {
-            version: TransactionVersion::ZERO, // The transaction version of L1 handler is always 0.
-            nonce: l1_handler_tx_args.nonce,
-            contract_address: l1_handler_tx_args.contract_address,
-            entry_point_selector: l1_handler_tx_args.entry_point_selector,
-            calldata: l1_handler_tx_args.calldata,
-        },
+        tx: L1HandlerTransaction::new(
+            l1_handler_tx_args.nonce,
+            l1_handler_tx_args.contract_address,
+            l1_handler_tx_args.entry_point_selector,
+            l1_handler_tx_args.calldata,
+        ),
         tx_hash: l1_handler_tx_args.tx_hash,
         paid_fee_on_l1: l1_handler_tx_args.paid_fee_on_l1,
     }
diff --git a/crates/starknet_api/src/transaction.rs b/crates/starknet_api/src/transaction.rs
index b2bf7e3808..9f650eb7c3 100644
--- a/crates/starknet_api/src/transaction.rs
+++ b/crates/starknet_api/src/transaction.rs
@@ -685,6 +685,25 @@ pub struct L1HandlerTransaction {
     pub calldata: Calldata,
 }
 
+impl L1HandlerTransaction {
+    /// A new method is implemented for this struct even though all fields are public because for a
+    /// properly formatted transaction, the transaction version is always 0.
+    pub fn new(
+        nonce: Nonce,
+        contract_address: ContractAddress,
+        entry_point_selector: EntryPointSelector,
+        calldata: Calldata,
+    ) -> Self {
+        Self {
+            version: constants::L1_HANDLER_VERSION,
+            nonce,
+            contract_address,
+            entry_point_selector,
+            calldata,
+        }
+    }
+}
+
 impl TransactionHasher for L1HandlerTransaction {
     fn calculate_transaction_hash(
         &self,
diff --git a/crates/starknet_client/src/reader/objects/transaction.rs b/crates/starknet_client/src/reader/objects/transaction.rs
index e341c2ea20..95feee046e 100644
--- a/crates/starknet_client/src/reader/objects/transaction.rs
+++ b/crates/starknet_client/src/reader/objects/transaction.rs
@@ -141,6 +141,7 @@ impl Transaction {
 #[serde(deny_unknown_fields)]
 pub struct L1HandlerTransaction {
     pub transaction_hash: TransactionHash,
+    // TODO: The version field should always be set to 0.
     pub version: TransactionVersion,
     #[serde(default)]
     pub nonce: Nonce,
@@ -151,6 +152,16 @@ pub struct L1HandlerTransaction {
 
 impl From<L1HandlerTransaction> for starknet_api::transaction::L1HandlerTransaction {
     fn from(l1_handler_tx: L1HandlerTransaction) -> Self {
+        if l1_handler_tx.version != starknet_api::transaction::constants::L1_HANDLER_VERSION {
+            error!("L1HandlerTransaction version is not supported: {:?}", l1_handler_tx.version);
+        }
+        // starknet_api::transaction::L1HandlerTransaction::new(
+        //     l1_handler_tx.nonce,
+        //     l1_handler_tx.contract_address,
+        //     l1_handler_tx.entry_point_selector,
+        //     l1_handler_tx.calldata,
+        // )
+
         starknet_api::transaction::L1HandlerTransaction {
             version: l1_handler_tx.version,
             nonce: l1_handler_tx.nonce,