diff --git a/drafthorse/models/delivery.py b/drafthorse/models/delivery.py
index 93d7c66..c51ab96 100644
--- a/drafthorse/models/delivery.py
+++ b/drafthorse/models/delivery.py
@@ -35,7 +35,9 @@ class Meta:
 
 
 class SupplyChainConsignment(Element):  # TODO: Deprecated?
-    movement: LogisticsTransportMovement = Field(LogisticsTransportMovement, required=False, profile=EXTENDED)
+    movement: LogisticsTransportMovement = Field(
+        LogisticsTransportMovement, required=False, profile=EXTENDED
+    )
 
     class Meta:
         namespace = NS_RAM
@@ -49,9 +51,15 @@ class TradeDelivery(Element):
         required=False,
         _d="Detailinformationen zur Konsignation oder Sendung",
     )
-    ship_to: ShipToTradeParty = Field(ShipToTradeParty, required=False, profile=EXTENDED)
-    ultimate_ship_to: UltimateShipToTradeParty = Field(UltimateShipToTradeParty, required=False, profile=EXTENDED)
-    ship_from: ShipFromTradeParty = Field(ShipFromTradeParty, required=False, profile=EXTENDED)
+    ship_to: ShipToTradeParty = Field(
+        ShipToTradeParty, required=False, profile=EXTENDED
+    )
+    ultimate_ship_to: UltimateShipToTradeParty = Field(
+        UltimateShipToTradeParty, required=False, profile=EXTENDED
+    )
+    ship_from: ShipFromTradeParty = Field(
+        ShipFromTradeParty, required=False, profile=EXTENDED
+    )
     event: SupplyChainEvent = Field(SupplyChainEvent, required=False, profile=BASIC)
     despatch_advice: DespatchAdviceReferencedDocument = Field(
         DespatchAdviceReferencedDocument, required=False, profile=EXTENDED
diff --git a/drafthorse/models/document.py b/drafthorse/models/document.py
index 15d3ac5..67a7920 100644
--- a/drafthorse/models/document.py
+++ b/drafthorse/models/document.py
@@ -80,7 +80,9 @@ class Header(Element):
         profile=EXTENDED,
         _d="Indikator Original/Kopie",
     )
-    languages: StringContainer = MultiStringField(NS_RAM, "LanguageID", required=False, profile=EXTENDED)
+    languages: StringContainer = MultiStringField(
+        NS_RAM, "LanguageID", required=False, profile=EXTENDED
+    )
     notes: Container = MultiField(IncludedNote)
     effective_period = Field(
         EffectivePeriod,
diff --git a/drafthorse/models/note.py b/drafthorse/models/note.py
index a28a7a7..b8df3b3 100644
--- a/drafthorse/models/note.py
+++ b/drafthorse/models/note.py
@@ -6,7 +6,9 @@
 
 class IncludedNote(Element):
     content_code = StringField(NS_RAM, "ContentCode", required=False, profile=EXTENDED)
-    content: StringContainer = MultiStringField(NS_RAM, "Content", required=False, profile=BASIC)
+    content: StringContainer = MultiStringField(
+        NS_RAM, "Content", required=False, profile=BASIC
+    )
     subject_code = StringField(NS_RAM, "SubjectCode", required=False, profile=COMFORT)
 
     class Meta:
diff --git a/drafthorse/models/party.py b/drafthorse/models/party.py
index 9d7ffb5..54adfa5 100644
--- a/drafthorse/models/party.py
+++ b/drafthorse/models/party.py
@@ -69,7 +69,9 @@ class LegalOrganization(Element):
         profile=BASIC,
         _d="Firmenname, sofern abweichend vom Namen",
     )
-    trade_address: PostalTradeAddress = Field(PostalTradeAddress, required=False, profile=EXTENDED)
+    trade_address: PostalTradeAddress = Field(
+        PostalTradeAddress, required=False, profile=EXTENDED
+    )
 
     class Meta:
         namespace = NS_RAM
@@ -130,7 +132,9 @@ class TradeParty(Element):
     electronic_address: Container = MultiField(
         URIUniversalCommunication, required=False, profile=BASIC
     )
-    tax_registrations: Container = MultiField(TaxRegistration, required=False, profile=BASIC)
+    tax_registrations: Container = MultiField(
+        TaxRegistration, required=False, profile=BASIC
+    )
 
 
 class SellerTaxRepresentativeTradeParty(TradeParty):
diff --git a/drafthorse/models/product.py b/drafthorse/models/product.py
index eaa0516..61dbbf0 100644
--- a/drafthorse/models/product.py
+++ b/drafthorse/models/product.py
@@ -95,11 +95,17 @@ class TradeProduct(Element):
     )
     name = StringField(NS_RAM, "Name", required=False)
     description = StringField(NS_RAM, "Description", required=False, profile=COMFORT)
-    characteristics: Container = MultiField(ProductCharacteristic, required=False, profile=COMFORT)
-    classifications: Container = MultiField(ProductClassification, required=False, profile=COMFORT)
+    characteristics: Container = MultiField(
+        ProductCharacteristic, required=False, profile=COMFORT
+    )
+    classifications: Container = MultiField(
+        ProductClassification, required=False, profile=COMFORT
+    )
     instance: Container = MultiField(ProductInstance, required=False, profile=EXTENDED)
     origins: Container = MultiField(OriginCountry, required=False, profile=COMFORT)
-    included_products: Container = MultiField(ReferencedProduct, required=False, profile=EXTENDED)
+    included_products: Container = MultiField(
+        ReferencedProduct, required=False, profile=EXTENDED
+    )
 
     class Meta:
         namespace = NS_RAM
diff --git a/drafthorse/models/trade.py b/drafthorse/models/trade.py
index 54108c3..bc62796 100644
--- a/drafthorse/models/trade.py
+++ b/drafthorse/models/trade.py
@@ -67,13 +67,21 @@ class TradeAgreement(Element):
     end_user: EndUserTradeParty = Field(
         EndUserTradeParty, required=False, _d="Abweichender Endverbraucher"
     )
-    delivery_terms: DeliveryTerms = Field(DeliveryTerms, required=False, profile=EXTENDED)
-    seller_order: SellerOrderReferencedDocument = Field(SellerOrderReferencedDocument, required=False, profile=COMFORT)
-    buyer_order: BuyerOrderReferencedDocument = Field(BuyerOrderReferencedDocument, required=False)
+    delivery_terms: DeliveryTerms = Field(
+        DeliveryTerms, required=False, profile=EXTENDED
+    )
+    seller_order: SellerOrderReferencedDocument = Field(
+        SellerOrderReferencedDocument, required=False, profile=COMFORT
+    )
+    buyer_order: BuyerOrderReferencedDocument = Field(
+        BuyerOrderReferencedDocument, required=False
+    )
     customer_order: UltimateCustomerOrderReferencedDocument = Field(
         UltimateCustomerOrderReferencedDocument, required=False, profile=COMFORT
     )
-    contract: ContractReferencedDocument = Field(ContractReferencedDocument, required=False, profile=COMFORT)
+    contract: ContractReferencedDocument = Field(
+        ContractReferencedDocument, required=False, profile=COMFORT
+    )
     additional_references: Container = MultiField(
         AdditionalReferencedDocument, required=False, profile=COMFORT
     )
@@ -81,7 +89,9 @@ class TradeAgreement(Element):
     seller_tax_representative_party: SellerTaxRepresentativeTradeParty = Field(
         SellerTaxRepresentativeTradeParty, required=False
     )
-    procuring_project_type: ProcuringProjectType = Field(ProcuringProjectType, required=False)
+    procuring_project_type: ProcuringProjectType = Field(
+        ProcuringProjectType, required=False
+    )
 
     class Meta:
         namespace = NS_RAM
@@ -179,10 +189,14 @@ class TradeSettlement(Element):
     payer: PayerTradeParty = Field(
         PayerTradeParty, required=False, profile=EXTENDED, _d="Zahlungspflichtiger"
     )
-    invoice_currency: TaxApplicableTradeCurrencyExchange = Field(TaxApplicableTradeCurrencyExchange, profile=EXTENDED)
+    invoice_currency: TaxApplicableTradeCurrencyExchange = Field(
+        TaxApplicableTradeCurrencyExchange, profile=EXTENDED
+    )
     payment_means: PaymentMeans = Field(PaymentMeans)
     trade_tax: Container = MultiField(ApplicableTradeTax)
-    period: BillingSpecifiedPeriod = Field(BillingSpecifiedPeriod, required=False, profile=BASIC)
+    period: BillingSpecifiedPeriod = Field(
+        BillingSpecifiedPeriod, required=False, profile=BASIC
+    )
     allowance_charge: Container = MultiField(
         TradeAllowanceCharge,
         required=False,
@@ -208,7 +222,9 @@ class TradeSettlement(Element):
         profile=BASIC,
         _d="Detailinformationen zur Buchungsreferenz",
     )
-    advance_payment: Container = MultiField(AdvancePayment, required=False, profile=EXTENDED)
+    advance_payment: Container = MultiField(
+        AdvancePayment, required=False, profile=EXTENDED
+    )
 
     class Meta:
         namespace = NS_RAM
diff --git a/drafthorse/models/tradelines.py b/drafthorse/models/tradelines.py
index c0ed874..e399383 100644
--- a/drafthorse/models/tradelines.py
+++ b/drafthorse/models/tradelines.py
@@ -112,7 +112,9 @@ class LineDelivery(Element):
         profile=EXTENDED,
         _d="Anzahl Packstücke",
     )
-    ship_to: ShipToTradeParty = Field(ShipToTradeParty, required=False, profile=EXTENDED)
+    ship_to: ShipToTradeParty = Field(
+        ShipToTradeParty, required=False, profile=EXTENDED
+    )
     ultimate_ship_to: UltimateShipToTradeParty = Field(
         UltimateShipToTradeParty, required=False, profile=EXTENDED
     )
@@ -162,7 +164,9 @@ class LineSettlement(Element):
         required=False,
         _d="Schalter für Zu-/Abschlag",
     )
-    monetary_summation: LineSummation = Field(LineSummation, required=False, profile=BASIC)
+    monetary_summation: LineSummation = Field(
+        LineSummation, required=False, profile=BASIC
+    )
     invoice_referenced_document: InvoiceReferencedDocument = Field(
         InvoiceReferencedDocument, required=False, profile=EXTENDED
     )