diff --git a/internal/apis/certmanager/types.go b/internal/apis/certmanager/types.go
index ac7a113f9..11061bebe 100644
--- a/internal/apis/certmanager/types.go
+++ b/internal/apis/certmanager/types.go
@@ -30,6 +30,33 @@ const (
 	// Annotation key for certificate common name.
 	CommonNameAnnotationKey = "cert-manager.io/common-name"
 
+	// Annotation key for emails subjectAltNames.
+	EmailsAnnotationKey = "cert-manager.io/email-sans"
+
+	// Annotation key for subject organization.
+	SubjectOrganizationsAnnotationKey = "cert-manager.io/subject-organizations"
+
+	// Annotation key for subject organizational units.
+	SubjectOrganizationalUnitsAnnotationKey = "cert-manager.io/subject-organizationalunits"
+
+	// Annotation key for subject organizational units.
+	SubjectCountriesAnnotationKey = "cert-manager.io/subject-countries"
+
+	// Annotation key for subject provinces.
+	SubjectProvincesAnnotationKey = "cert-manager.io/subject-provinces"
+
+	// Annotation key for subject localities.
+	SubjectLocalitiesAnnotationKey = "cert-manager.io/subject-localities"
+
+	// Annotation key for subject provinces.
+	SubjectStreetAddressesAnnotationKey = "cert-manager.io/subject-streetaddresses"
+
+	// Annotation key for subject postal codes.
+	SubjectPostalCodesAnnotationKey = "cert-manager.io/subject-postalcodes"
+
+	// Annotation key for subject serial number.
+	SubjectSerialNumberAnnotationKey = "cert-manager.io/subject-serialnumber"
+
 	// Annotation key the 'name' of the Issuer resource.
 	IssuerNameAnnotationKey = "cert-manager.io/issuer-name"