diff --git a/src/utils/finance/states/pennsylvania.py b/src/utils/finance/states/pennsylvania.py
index e20b01f..d8aaf5d 100644
--- a/src/utils/finance/states/pennsylvania.py
+++ b/src/utils/finance/states/pennsylvania.py
@@ -120,9 +120,11 @@ def id_columns_to_standardize(self) -> dict:  # noqa D102
 
     def _get_additional_columns(self) -> None:
         super()._get_additional_columns()
-        # add PA as election state to rows that have election info
+        # add PA as election state to rows that have election info other than year
         election_columns = [
-            col for col in self.table.columns if col.startswith("election_result--")
+            col
+            for col in self.table.columns
+            if col.startswith("election_result--") and not col.endswith("year")
         ]
         election_info_mask = self.table[election_columns].notna().any(axis=1)
         self.table.loc[election_info_mask, "election_result--election--state"] = "PA"
@@ -203,7 +205,7 @@ def id_columns_to_standardize(self) -> dict:  # noqa D102
         return {
             "donor_id": [],
             "recipient_id": ["recipient--election_result--candidate_id"],
-            "reported_election_id": ["recipient--election_result--election--id"],
+            "reported_election--id": ["recipient--election_result--election--id"],
         }
 
     @property
@@ -219,9 +221,10 @@ def column_details(self) -> pd.DataFrame:  # noqa D102
     def _get_additional_columns(self) -> None:
         super()._get_additional_columns()
 
-        self.table.loc[:, "reported_election--year"] = self.table.loc[
-            :, "recipient--election_result--election--year"
-        ]
+        self.table.loc[:, "recipient--election_result--election--year"] = (
+            self.table.loc[:, "reported_election--year"]
+        )
+        self.table.loc[:, "reported_election--id"] = None
         self.table.loc[:, "recipient--election_result--candidate_id"] = None
         self.table.loc[:, "recipient--election_result--election--id"] = None
 
@@ -308,8 +311,8 @@ def id_columns_to_standardize(self) -> dict:  # noqa D102
     def _get_additional_columns(self) -> None:
         super()._get_additional_columns()
 
-        self.table.loc[:, "reported_election--year"] = self.table.loc[
-            :, "donor--election_result--election--year"
+        self.table.loc[:, "donor--election_result--election--year"] = self.table.loc[
+            :, "reported_election--year"
         ]
         self.table.loc[:, "donor--election_result--candidate_id"] = None
         self.table.loc[:, "donor--election_result--election_id"] = None
diff --git a/src/utils/table.yaml b/src/utils/table.yaml
index 294e603..21494b9 100644
--- a/src/utils/table.yaml
+++ b/src/utils/table.yaml
@@ -142,7 +142,7 @@ Address:
     transactor: Transactor
 
 Membership:
-  required_attribute:
+  required_attributes:
     - member_id
     - organization_id
   attributes:
diff --git a/src/utils/yamltable.py b/src/utils/yamltable.py
index b0199c4..105c8e9 100644
--- a/src/utils/yamltable.py
+++ b/src/utils/yamltable.py
@@ -59,6 +59,7 @@ def __init__(self, data_schema: dict, table_type: str):  # noqa ANN204
         self.table_type = table_type
         self.data_schema = data_schema
         self._child_types_are_separate = None
+        self._child_types = None
         self._parent_type = None
         self._attributes = None
         self._repeating_columns = None
@@ -206,6 +207,8 @@ def child_types_are_separate(self) -> bool:
     @property
     def child_types(self) -> list:
         """Types that inherit attributes from the current type"""
+        if self._child_types is None:
+            self._child_types = self.data_schema[self.table_type].get("child_types", [])
         return self._child_types
 
     @property
@@ -436,6 +439,7 @@ def _add_forward_relation_to_foreign_table(
             ] == forward_relation and table_type in [
                 forward_relation_type,
                 schema.schema[forward_relation_type].parent_type,
+                *schema.schema[forward_relation_type].child_types,
             ]:
                 # this means the derivative table requires a column linking back to
                 #  the current table
@@ -449,7 +453,7 @@ def _add_forward_relation_to_foreign_table(
                     table.loc[
                         relevant_rows_mask,
                         backlink_column,
-                    ] = table.loc[relevant_rows_mask].index
+                    ] = table.loc[relevant_rows_mask]["id"]
                     foreign_columns_in_base_table.append(backlink_column)
                     foreign_columns_in_foreign_table.append(required_attribute)
     return table, foreign_columns_in_base_table, foreign_columns_in_foreign_table
@@ -553,6 +557,8 @@ def _normalize_table_completely(
             ].items()
             if not column.startswith(forward_relation_column)
         }
+        # this is where the heavy lifting is done and a new foreign table
+        # is created derived from the columns that did not belong in base table
         active_table, foreign_table = _split_prefixed_columns(
             active_table,
             table_type,