diff --git a/ifrs17/Import/Importers.ipynb b/ifrs17/Import/Importers.ipynb
index 52c5a764..d6735577 100644
--- a/ifrs17/Import/Importers.ipynb
+++ b/ifrs17/Import/Importers.ipynb
@@ -1138,7 +1138,7 @@
                 "\n                                ? accidentYear",
                 "\n                                : (int?)null,",
                 "\n                Partition = parsingStorage.TargetPartitionByReportingNodeAndPeriod.Id,",
-                "\n                Values = Multiply(GetSign((ImportFormats.Cashflow, aocType, valueType.AmountType, valueType.EstimateType, dataNodeData.IsReinsurance), parsingStorage.HierarchyCache), values)",
+                "\n                Values = Multiply(GetSign(ImportFormats.Cashflow, (aocType, valueType.AmountType, valueType.EstimateType, dataNodeData.IsReinsurance), parsingStorage.HierarchyCache), values)",
                 "\n            };",
                 "\n            return item;",
                 "\n        }, ImportFormats.Cashflow",
@@ -1239,7 +1239,7 @@
                 "\n                AmountType = valueType.AmountType,",
                 "\n                EstimateType = valueType.EstimateType,",
                 "\n                Partition = parsingStorage.TargetPartitionByReportingNodeAndPeriod.Id,",
-                "\n                Value = GetSign((ImportFormats.Actual, aocType, valueType.AmountType, valueType.EstimateType, dataNodeData.IsReinsurance), parsingStorage.HierarchyCache) * datarow.Field<string>(nameof(IfrsVariable.Value)).CheckStringForExponentialAndConvertToDouble()",
+                "\n                Value = GetSign(ImportFormats.Actual, (aocType, valueType.AmountType, valueType.EstimateType, dataNodeData.IsReinsurance), parsingStorage.HierarchyCache) * datarow.Field<string>(nameof(IfrsVariable.Value)).CheckStringForExponentialAndConvertToDouble()",
                 "\n            };",
                 "\n            return item;",
                 "\n        }, ImportFormats.Actual",
@@ -1335,7 +1335,7 @@
                 "\n                EstimateType = estimateType,",
                 "\n                EconomicBasis = economicBasis,",
                 "\n                Partition = parsingStorage.TargetPartitionByReportingNodeAndPeriod.Id,",
-                "\n                Value = GetSign((importFormat, aocStep.AocType, amountType, estimateType, parsingStorage.IsDataNodeReinsurance(dataNode)), parsingStorage.HierarchyCache) * datarow.Field<string>(nameof(IfrsVariable.Value)).CheckStringForExponentialAndConvertToDouble()",
+                "\n                Value = GetSign(importFormat, (aocStep.AocType, amountType, estimateType, parsingStorage.IsDataNodeReinsurance(dataNode)), parsingStorage.HierarchyCache) * datarow.Field<string>(nameof(IfrsVariable.Value)).CheckStringForExponentialAndConvertToDouble()",
                 "\n            };",
                 "\n            return iv;",
                 "\n        }, importFormat // This should indicate the table name, not the input format",
diff --git a/ifrs17/Utils/ImportCalculationMethods.ipynb b/ifrs17/Utils/ImportCalculationMethods.ipynb
index a380baa8..4e8270a2 100644
--- a/ifrs17/Utils/ImportCalculationMethods.ipynb
+++ b/ifrs17/Utils/ImportCalculationMethods.ipynb
@@ -219,7 +219,7 @@
         {
             "cell_type": "code",
             "source": [
-                "public static int GetSign((string importFormat, string AocType, string AmountType, string EstimateType, bool IsReinsurance) variable, Systemorph.Vertex.Hierarchies.IHierarchicalDimensionCache hierarchyCache) => 1;"
+                "public static int GetSign(string importFormat, (string AocType, string AmountType, string EstimateType, bool IsReinsurance) variable, Systemorph.Vertex.Hierarchies.IHierarchicalDimensionCache hierarchyCache) => 1;"
             ],
             "metadata": {},
             "execution_count": 0,