diff --git a/python/okota/accounts_index/accounts_index.py b/python/okota/accounts_index/accounts_index.py
index d3d7387..a132ad8 100644
--- a/python/okota/accounts_index/accounts_index.py
+++ b/python/okota/accounts_index/accounts_index.py
@@ -40,7 +40,7 @@ class AccountsIndexAddressDeclarator(AccountsIndex):
 
     @staticmethod
     def gas(code=None):
-        return 700000
+        return 1500000
 
 
     def constructor(self, sender_address, context_address, address_declarator_address):
diff --git a/python/okota/accounts_index/runnable/deploy.py b/python/okota/accounts_index/runnable/deploy.py
index 68fb2b0..dfff1e7 100644
--- a/python/okota/accounts_index/runnable/deploy.py
+++ b/python/okota/accounts_index/runnable/deploy.py
@@ -17,6 +17,10 @@ import chainlib.eth.cli
 from chainlib.chain import ChainSpec
 from chainlib.eth.connection import EthHTTPConnection
 from chainlib.eth.tx import receipt
+from chainlib.eth.address import (
+        is_checksum_address,
+        is_address,
+        )
 
 # local imports
 from okota.accounts_index import AccountsIndexAddressDeclarator
diff --git a/python/okota/data/AccountsIndexAddressDeclarator.bin b/python/okota/data/AccountsIndexAddressDeclarator.bin
index 8d0f1ab..12021e4 100644
--- a/python/okota/data/AccountsIndexAddressDeclarator.bin
+++ b/python/okota/data/AccountsIndexAddressDeclarator.bin
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/python/okota/data/AccountsIndexAddressDeclarator.json b/python/okota/data/AccountsIndexAddressDeclarator.json
index 0c04d04..216bec4 100644
--- a/python/okota/data/AccountsIndexAddressDeclarator.json
+++ b/python/okota/data/AccountsIndexAddressDeclarator.json
@@ -1 +1 @@
-[{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"address","name":"_addressDeclaratorAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"addedAccount","type":"address"},{"indexed":true,"internalType":"uint256","name":"accountIndex","type":"uint256"}],"name":"AddressAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"add","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"addressDeclaratorAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"have","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]
+[{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"address","name":"_addressDeclaratorAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"addedAccount","type":"address"},{"indexed":true,"internalType":"uint256","name":"accountIndex","type":"uint256"}],"name":"AddressAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"add","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_writer","type":"address"}],"name":"addWriter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"addressDeclaratorAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_writer","type":"address"}],"name":"deleteWriter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_idx","type":"uint256"}],"name":"entry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"entryCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"have","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
diff --git a/python/setup.cfg b/python/setup.cfg
index 42eafbc..9f1c3ec 100644
--- a/python/setup.cfg
+++ b/python/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = okota
-version = 0.2.4a6
+version = 0.2.4a14
 description = Registries for CIC using the eth-address-index backend
 author = Louis Holbrook
 author_email = dev@holbrook.no
diff --git a/solidity/AccountsIndexAddressDeclarator.sol b/solidity/AccountsIndexAddressDeclarator.sol
index 8f7bc90..69482bd 100644
--- a/solidity/AccountsIndexAddressDeclarator.sol
+++ b/solidity/AccountsIndexAddressDeclarator.sol
@@ -3,13 +3,16 @@ pragma solidity >0.6.11;
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 
+// TODO: inherit accounts index contract
 contract AccountsIndexAddressDeclarator {
 
 	address public tokenAddress;
 	bytes32 tokenAddressHash;
 	address public addressDeclaratorAddress;
 	mapping(address => uint256) entryIndex;
-	uint256 count;
+	//uint256 count;
+	mapping(address => bool) writers;
+	address[] entries;
 
 	address public owner;
 	address newOwner;
@@ -24,7 +27,7 @@ contract AccountsIndexAddressDeclarator {
 		tokenAddress = _tokenAddress;
 		_tokenAddressPadded = abi.encode(tokenAddress);
 		tokenAddressHash = sha256(_tokenAddressPadded);
-		count = 1;
+		entries.push(address(0));
 	}
 
 	function add(address _account) external returns (bool) {
@@ -32,19 +35,64 @@ contract AccountsIndexAddressDeclarator {
 		bytes memory r;
 		uint256 oldEntryIndex;
 
+		require(writers[msg.sender]);
+		require(entryIndex[_account] == 0);
+
 		(ok, r) = addressDeclaratorAddress.call(abi.encodeWithSignature("addDeclaration(address,bytes32)", _account, tokenAddressHash));
 		require(ok);
 		require(r[31] == 0x01);
 
-		oldEntryIndex = count;
+		oldEntryIndex = entries.length - 1;
 		entryIndex[_account] = oldEntryIndex;
-		count++;
+		entries.push(_account);
 
 		emit AddressAdded(_account, oldEntryIndex);
 		return true;
 	}
 
+	// Implements AccountsIndex
 	function have(address _account) external view returns (bool) {
 		return entryIndex[_account] > 0;
 	}
+
+	// Implements AccountsIndex
+	function entry(uint256 _idx) public returns (address) {
+		return entries[_idx+1];
+	}
+
+	// Implements AccountsIndex
+	function entryCount() public returns (uint256) {
+		return entries.length - 1;
+	}
+
+	function addWriter(address _writer) public returns (bool) {
+		require(owner == msg.sender);
+		writers[_writer] = true;
+		return true;
+	}
+
+	function deleteWriter(address _writer) public returns (bool) {
+		require(owner == msg.sender);
+		delete writers[_writer];
+		return true;
+	}
+
+	// Implements EIP173
+	function transferOwnership(address _newOwner) public returns (bool) {
+		require(msg.sender == owner);
+		newOwner = _newOwner;
+		return true;
+	}
+
+	// Implements OwnedAccepter
+	function acceptOwnership() public returns (bool) {
+		address oldOwner;
+
+		require(msg.sender == newOwner);
+		oldOwner = owner; 
+		owner = newOwner;
+		newOwner = address(0);
+		emit OwnershipTransferred(oldOwner, owner);
+		return true;
+	}
 }