diff --git a/conservancy_beancount/reports/accrual.py b/conservancy_beancount/reports/accrual.py
index 67db8e82fbaf06bcd33433bda67e2ba494acf679..6f1e713459011d77e151ad374062c3513f3a3fdf 100644
--- a/conservancy_beancount/reports/accrual.py
+++ b/conservancy_beancount/reports/accrual.py
@@ -125,6 +125,7 @@ STANDARD_PATH = Path('-')
 CompoundAmount = TypeVar('CompoundAmount', data.Amount, core.Balance)
 PostGroups = Mapping[Optional[MetaValue], 'AccrualPostings']
 RTObject = Mapping[str, str]
+T = TypeVar('T')
 
 logger = logging.getLogger('conservancy_beancount.reports.accrual')
 
@@ -134,19 +135,14 @@ class Sentinel:
 
 class Account(NamedTuple):
     name: str
-    norm_func: Callable[[CompoundAmount], CompoundAmount]
     aging_thresholds: Sequence[int]
 
 
 class AccrualAccount(enum.Enum):
     # Note the aging report uses the same order accounts are defined here.
     # See AgingODS.start_spreadsheet().
-    RECEIVABLE = Account(
-        'Assets:Receivable', lambda bal: bal, [365, 120, 90, 60],
-    )
-    PAYABLE = Account(
-        'Liabilities:Payable', operator.neg, [365, 90, 60, 30],
-    )
+    RECEIVABLE = Account('Assets:Receivable', [365, 120, 90, 60])
+    PAYABLE = Account('Liabilities:Payable', [365, 90, 60, 30])
 
     @classmethod
     def account_names(cls) -> Iterator[str]:
@@ -167,6 +163,10 @@ class AccrualAccount(enum.Enum):
                 return account
         raise ValueError("unrecognized account set in related postings")
 
+    @property
+    def normalize_amount(self) -> Callable[[T], T]:
+        return core.normalize_amount_func(self.value.name)
+
 
 class AccrualPostings(core.RelatedPostings):
     def _meta_getter(key: MetaKey) -> Callable[[data.Posting], MetaValue]:  # type:ignore[misc]
@@ -221,8 +221,7 @@ class AccrualPostings(core.RelatedPostings):
             self.paid_entities = self.accrued_entities
         else:
             self.accrual_type = AccrualAccount.classify(self)
-            accrual_acct: Account = self.accrual_type.value
-            norm_func = accrual_acct.norm_func
+            norm_func = self.accrual_type.normalize_amount
             self.end_balance = norm_func(self.balance_at_cost())
             self.accrued_entities = self._collect_entities(
                 lambda post: norm_func(post.units).number > 0,
@@ -453,7 +452,7 @@ class AgingODS(core.BaseODS[AccrualPostings, Optional[data.Account]]):
                 return
         raw_balance = row.balance()
         if row.accrual_type is not None:
-            raw_balance = row.accrual_type.value.norm_func(raw_balance)
+            raw_balance = row.accrual_type.normalize_amount(raw_balance)
         if raw_balance == row.end_balance:
             amount_cell = odf.table.TableCell()
         else: