diff --git a/bia-shared-datamodels/src/bia_models/bia_data_model.py b/bia-shared-datamodels/src/bia_models/bia_data_model.py
index 01d5edf4..91f613cb 100644
--- a/bia-shared-datamodels/src/bia_models/bia_data_model.py
+++ b/bia-shared-datamodels/src/bia_models/bia_data_model.py
@@ -86,6 +86,7 @@ class ImageAnnotationDataset(
     image: List[UUID] = Field()
     file: List[UUID] = Field()
     submitted_in_study: UUID = Field()
+    annotation_method: UUID = Field()
 
 
 class AnnotationFileReference(
@@ -95,3 +96,11 @@ class AnnotationFileReference(
     represenatation: List[UUID] = Field()
     source_image: UUID = Field()
     submission_dataset: UUID = Field()
+    creation_process: UUID = Field()
+
+
+class AnnotationMethod(
+    semantic_models.AnnotationMethod,
+    DocumentMixin,
+):
+    pass
diff --git a/bia-shared-datamodels/src/bia_models/semantic_models.py b/bia-shared-datamodels/src/bia_models/semantic_models.py
index f490d7ee..b517228d 100644
--- a/bia-shared-datamodels/src/bia_models/semantic_models.py
+++ b/bia-shared-datamodels/src/bia_models/semantic_models.py
@@ -554,6 +554,9 @@ class AnnotationMixin(BaseModel):
     spatial_information: str = Field(
         description="""Spatial information for non-pixel annotations."""
     )
+    creation_process: AnnotationMethod = Field(
+        description="""The process that was followed to create the annotation."""
+    )
 
 
 class AnnotationFileReference(FileReference, AnnotationMixin):