diff --git a/ifrs17/Import/4ImportScope-TechnicalMargin.ipynb b/ifrs17/Import/4ImportScope-TechnicalMargin.ipynb
index cd4d2957..0edd18ff 100644
--- a/ifrs17/Import/4ImportScope-TechnicalMargin.ipynb
+++ b/ifrs17/Import/4ImportScope-TechnicalMargin.ipynb
@@ -292,7 +292,7 @@
                 "\n}",
                 "\n",
                 "\npublic interface TechnicalMarginForPaa : TechnicalMargin{",
-                "\n    [NotVisible] string TechnicalMargin.EconomicBasis => EconomicBases.C;",
+                "\n    [NotVisible] string TechnicalMargin.EconomicBasis => EconomicBases.L;",
                 "\n    double TechnicalMargin.Value => GetScope<TechnicalMarginAmountType>((Identity, estimateType)).Values",
                 "\n                       .Sum(at => GetScope<PvAggregatedOverAccidentYear>((Identity, at, EstimateTypes.BE), o => o.WithContext(EconomicBasis)).Value) +",
                 "\n                       GetScope<PvAggregatedOverAccidentYear>((Identity, (string)null, EstimateTypes.RA), o => o.WithContext(EconomicBasis)).Value +",