diff --git a/src/dali/transaction_item.py b/src/dali/transaction_item.py
new file mode 100644
index 00000000..59d9e44d
--- /dev/null
+++ b/src/dali/transaction_item.py
@@ -0,0 +1,102 @@
+# Copyright 2022 topherbuckley
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from enum import Enum
+from typing import Dict
+
+from dali.configuration import Keyword
+
+
+class TransactionItem:
+    def __init__(self, disallow_empty: bool,
+                 disallow_unknown: bool,
+                 required: bool,
+                 ) -> None:
+        self.__disallow_empty: bool = disallow_empty
+        self.__disallow_unknown: bool = disallow_unknown
+        self.__required: bool = required
+
+    @property
+    def disallow_empty(self) -> bool:
+        return self.__disallow_empty
+
+    @property
+    def disallow_unknown(self) -> bool:
+        return self.__disallow_unknown
+
+    @property
+    def required(self) -> bool:
+        return self.__required
+
+
+_abstract_transaction_items: Dict[str, TransactionItem] = {
+    Keyword.PLUGIN.value: TransactionItem(True, True, True),
+    # TODO I'm still confused  about whether this is actually required as the docs state it is not for an IntraTransaction, but I don't see how it would get through the checks without failing. 
+    Keyword.UNIQUE_ID.value: TransactionItem(True, False, True),
+    Keyword.RAW_DATA.value: TransactionItem(True, True, True),
+    Keyword.TIMESTAMP.value: TransactionItem(True, True, True),
+    Keyword.ASSET.value: TransactionItem(True, True, True),
+    Keyword.NOTES.value: TransactionItem(False, True, False),
+    Keyword.FIAT_TICKER.value: TransactionItem(True, True, False),
+}
+
+_in_transaction_items: Dict[str, TransactionItem] = {
+    Keyword.EXCHANGE.value: TransactionItem(True, True, True),
+    Keyword.HOLDER.value: TransactionItem(True, True, True),
+    Keyword.TRANSACTION_TYPE.value: TransactionItem(True, True, True),
+    Keyword.SPOT_PRICE.value: TransactionItem(True, False, True),
+    Keyword.CRYPTO_IN.value: TransactionItem(True, True, True),
+    Keyword.CRYPTO_FEE.value: TransactionItem(False, True, False),
+    Keyword.FIAT_IN_NO_FEE.value: TransactionItem(False, True, False),
+    Keyword.FIAT_IN_WITH_FEE.value: TransactionItem(False, True, False),
+    Keyword.FIAT_FEE.value: TransactionItem(False, True, False),
+}
+
+_out_transaction_items: Dict[str, TransactionItem] = {
+    Keyword.EXCHANGE.value: TransactionItem(True, True, True),
+    Keyword.HOLDER.value: TransactionItem(True, True, True),
+    Keyword.TRANSACTION_TYPE.value: TransactionItem(True, True, True),
+    Keyword.SPOT_PRICE.value: TransactionItem(True, False, True),
+    Keyword.CRYPTO_OUT_NO_FEE.value: TransactionItem(True, True, True),
+    Keyword.CRYPTO_FEE.value: TransactionItem(True, True, True),
+    Keyword.CRYPTO_OUT_WITH_FEE.value: TransactionItem(False, True, False),
+    Keyword.FIAT_OUT_NO_FEE.value: TransactionItem(False, True, False),
+    Keyword.FIAT_FEE.value: TransactionItem(False, True, True),
+}
+
+_intra_transaction_items: Dict[str, TransactionItem] = {
+    Keyword.FROM_EXCHANGE.value: TransactionItem(True, False, True),
+    Keyword.FROM_HOLDER.value: TransactionItem(True, False, True),
+    Keyword.TO_EXCHANGE.value: TransactionItem(True, False, True),
+    Keyword.TO_HOLDER.value: TransactionItem(True, False, True),
+    Keyword.SPOT_PRICE.value: TransactionItem(False, False, False),
+    Keyword.CRYPTO_SENT.value: TransactionItem(True, False, True),
+    Keyword.CRYPTO_RECEIVED.value: TransactionItem(True, False, True),
+}
+
+
+class TransactionDirection(Enum):
+    __members__: Dict[str, TransactionItem]
+    IN = _in_transaction_items
+    OUT = _out_transaction_items
+    INTRA = _intra_transaction_items
+
+
+def _combine_dicts(transaction_direction: TransactionDirection) -> Dict[str, TransactionItem]:
+    return {**_abstract_transaction_items, **transaction_direction.value}
+
+
+InTransactionItems = _combine_dicts(TransactionDirection.IN)
+OutTransactionItems = _combine_dicts(TransactionDirection.OUT)
+IntraTransactionItems = _combine_dicts(TransactionDirection.INTRA)