diff --git a/scripts/proposals/ArbOS50AIP/data.json b/scripts/proposals/ArbOS50AIP/data.json
new file mode 100644
index 000000000..075992d3c
--- /dev/null
+++ b/scripts/proposals/ArbOS50AIP/data.json
@@ -0,0 +1,22 @@
+{
+  "actionChainIds": [
+    1,
+    1,
+    42161,
+    42170,
+    42161,
+    42170
+  ],
+  "actionAddresses": [
+    "0x653e31e11769a9c6feE825E4BC822753DE2286B7",
+    "0xd3f7381fD955dD9C019A9775c8DbF7c390F4cE3d",
+    "0x12A132e2341aE7D24cF77Ada0b5503E11A15a447",
+    "0x114637D5cB4BaE22c94F822c984F5cA6013284Da",
+    "0x08aA1648fC9d862a28Aad015EEAa1Ee2C2483838",
+    "0xd3f7381fD955dD9C019A9775c8DbF7c390F4cE3d"
+  ],
+  "arbSysSendTxToL1Args": {
+    "l1Timelock": "0xE6841D92B0C345144506576eC13ECf5103aC7f49",
+    "calldata": "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"
+  }
+}
\ No newline at end of file
diff --git a/src/gov-action-contracts/AIPs/ArbOS50/ArbOS50SettingsAction.sol b/src/gov-action-contracts/AIPs/ArbOS50/ArbOS50SettingsAction.sol
new file mode 100644
index 000000000..4559792e3
--- /dev/null
+++ b/src/gov-action-contracts/AIPs/ArbOS50/ArbOS50SettingsAction.sol
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: Apache-2.0
+pragma solidity 0.8.16;
+
+import "@openzeppelin/contracts/utils/Address.sol";
+
+// Interfaces
+interface IArbOwner {
+    function setMinimumL2BaseFee(uint256 minBaseFeeWei) external;
+    function setParentGasFloorPerToken(uint64 floorPerToken) external;
+    function addChainOwner(address newOwner) external;
+}
+
+interface IArbSys {
+    function arbOSVersion() external view returns (uint256);
+}
+
+/// @notice Settings to be applied on Arbitrum One are Arbitrum Nova after the ArbOS 50 upgrade
+///         These settings include:
+///         - Setting a new minimum L2 base fee in wei
+///         - Setting the new gas floor per token
+///         - Adding the ResourceConstraintManager as a chain owner
+/// @dev    Identical copies of this contract will be deployed on Arbitrum One and Arbitrum Nova
+/// @dev    This contract is to be used after the chain has been successfully upgraded to ArbOS 50,
+///         otherwise the call to setParentGasFloorPerToken will fail and the transaction will revert.
+contract ArbOS50SettingsAction {
+    uint256 public constant NEW_MIN_BASE_FEE = 0.02 gwei;
+    uint64 public constant NEW_FLOOR_PER_TOKEN = 10;
+    address public immutable resourceConstraintManagerAddress;
+
+    // Precompile addresses
+    address public constant ARB_OWNER_ADDRESS = 0x0000000000000000000000000000000000000070;
+    address public constant ARBSYS_ADDRESS = 0x0000000000000000000000000000000000000064;
+
+    constructor(address _resourceConstraintManagerAddress) {
+        require(
+            Address.isContract(address(_resourceConstraintManagerAddress)),
+            "ArbOS50SettingsAction: _resourceConstraintManagerAddress is not a contract"
+        );
+        resourceConstraintManagerAddress = _resourceConstraintManagerAddress;
+    }
+
+    /// @notice Gets the current ArbOS version
+    /// @dev    The ArbOS version returned by ArbSys includes an offset of 55
+    ///         (https://github.com/OffchainLabs/nitro/blob/v3.8.0/precompiles/ArbSys.go#L65-L69)
+    function getArbOSVersion() public view returns (uint256) {
+        IArbSys arbSys = IArbSys(ARBSYS_ADDRESS);
+        return arbSys.arbOSVersion() - 55;
+    }
+
+    function perform() public {
+        // Verify that the chain is running ArbOS 50
+        require(getArbOSVersion() >= 50, "ArbOS50SettingsAction: ArbOS version is less than 50");
+
+        // Create ArbOwner precompile interface
+        IArbOwner arbOwner = IArbOwner(ARB_OWNER_ADDRESS);
+
+        // Set the minimum L2 base fee
+        arbOwner.setMinimumL2BaseFee(NEW_MIN_BASE_FEE);
+
+        // Set the new gas floor per token
+        arbOwner.setParentGasFloorPerToken(NEW_FLOOR_PER_TOKEN);
+
+        // Add the ResourceConstraintManager as a chain owner
+        arbOwner.addChainOwner(resourceConstraintManagerAddress);
+    }
+}
diff --git a/test/signatures/ArbOS50SettingsAction b/test/signatures/ArbOS50SettingsAction
new file mode 100644
index 000000000..07a9c5d13
--- /dev/null
+++ b/test/signatures/ArbOS50SettingsAction
@@ -0,0 +1,19 @@
+
+╭------------------------------------+------------╮
+| Method                             | Identifier |
++=================================================+
+| ARBSYS_ADDRESS()                   | 71811f7b   |
+|------------------------------------+------------|
+| ARB_OWNER_ADDRESS()                | c696d9c1   |
+|------------------------------------+------------|
+| NEW_FLOOR_PER_TOKEN()              | cc1278a6   |
+|------------------------------------+------------|
+| NEW_MIN_BASE_FEE()                 | a59faf8e   |
+|------------------------------------+------------|
+| getArbOSVersion()                  | 17628539   |
+|------------------------------------+------------|
+| perform()                          | b147f40c   |
+|------------------------------------+------------|
+| resourceConstraintManagerAddress() | fa49b3a2   |
+╰------------------------------------+------------╯
+
diff --git a/test/storage/ArbOS50SettingsAction b/test/storage/ArbOS50SettingsAction
new file mode 100644
index 000000000..1ec5dc079
--- /dev/null
+++ b/test/storage/ArbOS50SettingsAction
@@ -0,0 +1,6 @@
+
+╭------+------+------+--------+-------+----------╮
+| Name | Type | Slot | Offset | Bytes | Contract |
++================================================+
+╰------+------+------+--------+-------+----------╯
+