diff --git a/contracts/src/access_control/access_controller.cairo b/contracts/src/access_control/access_controller.cairo
index 1375027bd..4bf5c7f3c 100644
--- a/contracts/src/access_control/access_controller.cairo
+++ b/contracts/src/access_control/access_controller.cairo
@@ -5,6 +5,7 @@ mod AccessController {
 
     use chainlink::libraries::access_control::{AccessControlComponent, IAccessController};
     use chainlink::libraries::ownable::{OwnableComponent, IOwnable};
+    use chainlink::libraries::type_and_version::ITypeAndVersion;
     use chainlink::libraries::upgradeable::{Upgradeable, IUpgradeable};
 
     component!(path: OwnableComponent, storage: ownable, event: OwnableEvent);
@@ -42,13 +43,11 @@ mod AccessController {
         self.access_control.initializer();
     }
 
-    ///
-    /// Upgradeable
-    ///
-
-    // #[view]
-    fn type_and_version(self: @ContractState) -> felt252 {
-        'AccessController 1.0.0'
+    #[abi(embed_v0)]
+    impl TypeAndVersionImpl of ITypeAndVersion<ContractState> {
+        fn type_and_version(self: @ContractState) -> felt252 {
+            'AccessController 1.0.0'
+        }
     }
 
     #[external(v0)]
diff --git a/contracts/src/emergency/sequencer_uptime_feed.cairo b/contracts/src/emergency/sequencer_uptime_feed.cairo
index f854e59d7..06d0a59c6 100644
--- a/contracts/src/emergency/sequencer_uptime_feed.cairo
+++ b/contracts/src/emergency/sequencer_uptime_feed.cairo
@@ -30,6 +30,7 @@ mod SequencerUptimeFeed {
     use chainlink::libraries::ownable::{OwnableComponent, IOwnable};
     use chainlink::libraries::access_control::{AccessControlComponent, IAccessController};
     use chainlink::libraries::access_control::AccessControlComponent::InternalTrait as AccessControlInternalTrait;
+    use chainlink::libraries::type_and_version::ITypeAndVersion;
     use chainlink::ocr2::aggregator::Round;
     use chainlink::ocr2::aggregator::IAggregator;
     use chainlink::ocr2::aggregator::{Transmission};
@@ -108,6 +109,13 @@ mod SequencerUptimeFeed {
         to_address: EthAddress
     }
 
+    #[abi(embed_v0)]
+    impl TypeAndVersion of ITypeAndVersion<ContractState> {
+        fn type_and_version(self: @ContractState) -> felt252 {
+            'SequencerUptimeFeed 1.0.0'
+        }
+    }
+
     #[external(v0)]
     impl AggregatorImpl of IAggregator<ContractState> {
         fn latest_round_data(self: @ContractState) -> Round {
@@ -143,10 +151,6 @@ mod SequencerUptimeFeed {
         fn decimals(self: @ContractState) -> u8 {
             0_u8
         }
-
-        fn type_and_version(self: @ContractState) -> felt252 {
-            'SequencerUptimeFeed 1.0.0'
-        }
     }
 
     #[constructor]
diff --git a/contracts/src/libraries.cairo b/contracts/src/libraries.cairo
index 2fd5588af..dcfe47c1b 100644
--- a/contracts/src/libraries.cairo
+++ b/contracts/src/libraries.cairo
@@ -3,3 +3,4 @@ mod access_control;
 mod token;
 mod upgradeable;
 mod mocks;
+mod type_and_version;
diff --git a/contracts/src/libraries/type_and_version.cairo b/contracts/src/libraries/type_and_version.cairo
new file mode 100644
index 000000000..b0481055d
--- /dev/null
+++ b/contracts/src/libraries/type_and_version.cairo
@@ -0,0 +1,4 @@
+#[starknet::interface]
+trait ITypeAndVersion<TContractState> {
+    fn type_and_version(self: @TContractState) -> felt252;
+}
diff --git a/contracts/src/multisig.cairo b/contracts/src/multisig.cairo
index 3d6ffe6e1..1728d3bde 100644
--- a/contracts/src/multisig.cairo
+++ b/contracts/src/multisig.cairo
@@ -49,7 +49,6 @@ trait IMultisig<TContractState> {
     fn is_confirmed(self: @TContractState, nonce: u128, signer: ContractAddress) -> bool;
     fn is_executed(self: @TContractState, nonce: u128) -> bool;
     fn get_transaction(self: @TContractState, nonce: u128) -> (Transaction, Array::<felt252>);
-    fn type_and_version(self: @TContractState) -> felt252;
     fn submit_transaction(
         ref self: TContractState,
         to: ContractAddress,
@@ -92,6 +91,7 @@ mod Multisig {
     use starknet::storage_write_syscall;
     use starknet::class_hash::ClassHash;
 
+    use chainlink::libraries::type_and_version::ITypeAndVersion;
     use chainlink::libraries::upgradeable::{Upgradeable, IUpgradeable};
 
     #[event]
@@ -161,6 +161,13 @@ mod Multisig {
         self._set_threshold(threshold);
     }
 
+    #[abi(embed_v0)]
+    impl TypeAndVersionImpl of ITypeAndVersion<ContractState> {
+        fn type_and_version(self: @ContractState,) -> felt252 {
+            'Multisig 1.0.0'
+        }
+    }
+
     #[external(v0)]
     impl UpgradeableImpl of IUpgradeable<ContractState> {
         fn upgrade(ref self: ContractState, new_impl: ClassHash) {
@@ -215,10 +222,6 @@ mod Multisig {
             (transaction, calldata)
         }
 
-        fn type_and_version(self: @ContractState,) -> felt252 {
-            'Multisig 1.0.0'
-        }
-
         /// Externals
 
         fn submit_transaction(
diff --git a/contracts/src/ocr2/aggregator.cairo b/contracts/src/ocr2/aggregator.cairo
index be65509f5..873585924 100644
--- a/contracts/src/ocr2/aggregator.cairo
+++ b/contracts/src/ocr2/aggregator.cairo
@@ -63,7 +63,6 @@ trait IAggregator<TContractState> {
     fn round_data(self: @TContractState, round_id: u128) -> Round;
     fn description(self: @TContractState) -> felt252;
     fn decimals(self: @TContractState) -> u8;
-    fn type_and_version(self: @TContractState) -> felt252;
 }
 
 #[derive(Copy, Drop, Serde)]
@@ -205,6 +204,7 @@ mod Aggregator {
     use chainlink::libraries::access_control::{
         IAccessControllerDispatcher, IAccessControllerDispatcherTrait
     };
+    use chainlink::libraries::type_and_version::ITypeAndVersion;
 
     component!(path: OwnableComponent, storage: ownable, event: OwnableEvent);
     component!(path: AccessControlComponent, storage: access_control, event: AccessControlEvent);
@@ -326,6 +326,13 @@ mod Aggregator {
         }
     }
 
+    #[abi(embed_v0)]
+    impl TypeAndVersionImpl of ITypeAndVersion<ContractState> {
+        fn type_and_version(self: @ContractState) -> felt252 {
+            'ocr2/aggregator.cairo 1.0.0'
+        }
+    }
+
     #[external(v0)]
     impl AggregatorImpl of super::IAggregator<ContractState> {
         fn latest_round_data(self: @ContractState) -> Round {
@@ -362,10 +369,6 @@ mod Aggregator {
             self._require_read_access();
             self._decimals.read()
         }
-
-        fn type_and_version(self: @ContractState) -> felt252 {
-            'ocr2/aggregator.cairo 1.0.0'
-        }
     }
 
     // ---
diff --git a/contracts/src/ocr2/aggregator_proxy.cairo b/contracts/src/ocr2/aggregator_proxy.cairo
index 0b077ceae..4204dddfb 100644
--- a/contracts/src/ocr2/aggregator_proxy.cairo
+++ b/contracts/src/ocr2/aggregator_proxy.cairo
@@ -9,7 +9,6 @@ trait IAggregatorProxy<TContractState> {
     fn round_data(self: @TContractState, round_id: felt252) -> Round;
     fn description(self: @TContractState) -> felt252;
     fn decimals(self: @TContractState) -> u8;
-    fn type_and_version(self: @TContractState) -> felt252;
 }
 
 #[starknet::interface]
@@ -53,6 +52,9 @@ mod AggregatorProxy {
     use chainlink::libraries::access_control::{AccessControlComponent, IAccessController};
     use chainlink::libraries::access_control::AccessControlComponent::InternalTrait as AccessControlInternalTrait;
     use chainlink::utils::split_felt;
+    use chainlink::libraries::type_and_version::{
+        ITypeAndVersion, ITypeAndVersionDispatcher, ITypeAndVersionDispatcherTrait
+    };
     use chainlink::libraries::upgradeable::{Upgradeable, IUpgradeable};
 
     const SHIFT: felt252 = 0x100000000000000000000000000000000;
@@ -148,10 +150,13 @@ mod AggregatorProxy {
             let aggregator = IAggregatorDispatcher { contract_address: phase.aggregator };
             aggregator.decimals()
         }
+    }
 
+    #[abi(embed_v0)]
+    impl TypeAndVersion of ITypeAndVersion<ContractState> {
         fn type_and_version(self: @ContractState) -> felt252 {
             let phase = self._current_phase.read();
-            let aggregator = IAggregatorDispatcher { contract_address: phase.aggregator };
+            let aggregator = ITypeAndVersionDispatcher { contract_address: phase.aggregator };
             aggregator.type_and_version()
         }
     }
diff --git a/contracts/src/ocr2/mocks/mock_aggregator.cairo b/contracts/src/ocr2/mocks/mock_aggregator.cairo
index 4a8ab2038..038a3ba18 100644
--- a/contracts/src/ocr2/mocks/mock_aggregator.cairo
+++ b/contracts/src/ocr2/mocks/mock_aggregator.cairo
@@ -18,6 +18,7 @@ mod MockAggregator {
     use chainlink::ocr2::aggregator::IAggregator;
     use chainlink::ocr2::aggregator::Aggregator::{Transmission, NewTransmission};
     use chainlink::ocr2::aggregator::Round;
+    use chainlink::libraries::type_and_version::ITypeAndVersion;
 
     #[event]
     use chainlink::ocr2::aggregator::Aggregator::Event;
@@ -83,6 +84,13 @@ mod MockAggregator {
         }
     }
 
+    #[abi(embed_v0)]
+    impl TypeAndVersionImpl of ITypeAndVersion<ContractState> {
+        fn type_and_version(self: @ContractState) -> felt252 {
+            'mock_aggregator.cairo 1.0.0'
+        }
+    }
+
     #[external(v0)]
     impl Aggregator of IAggregator<ContractState> {
         fn round_data(self: @ContractState, round_id: u128) -> Round {
@@ -109,9 +117,5 @@ mod MockAggregator {
         fn description(self: @ContractState) -> felt252 {
             'mock'
         }
-
-        fn type_and_version(self: @ContractState) -> felt252 {
-            'mock_aggregator.cairo 1.0.0'
-        }
     }
 }
diff --git a/contracts/src/token/link_token.cairo b/contracts/src/token/link_token.cairo
index 7b5369f5b..c3e139c89 100644
--- a/contracts/src/token/link_token.cairo
+++ b/contracts/src/token/link_token.cairo
@@ -16,6 +16,7 @@ mod LinkToken {
     use openzeppelin::token::erc20::interface::{IERC20, IERC20Dispatcher, IERC20DispatcherTrait};
     use chainlink::libraries::token::erc677::ERC677Component;
     use chainlink::libraries::ownable::{OwnableComponent, IOwnable};
+    use chainlink::libraries::type_and_version::ITypeAndVersion;
     use chainlink::libraries::upgradeable::{Upgradeable, IUpgradeable};
 
     use openzeppelin::token::erc20::ERC20Component;
@@ -94,14 +95,13 @@ mod LinkToken {
         self._minter.read()
     }
 
-    // TODO #[view]
-    fn type_and_version(self: @ContractState) -> felt252 {
-        'LinkToken 1.0.0'
+    #[abi(embed_v0)]
+    impl TypeAndVersionImpl of ITypeAndVersion<ContractState> {
+        fn type_and_version(self: @ContractState) -> felt252 {
+            'LinkToken 1.0.0'
+        }
     }
 
-    //
-    //  Upgradeable
-    //
     #[external(v0)]
     impl UpgradeableImpl of IUpgradeable<ContractState> {
         fn upgrade(ref self: ContractState, new_impl: ClassHash) {