diff --git a/src/openprocurement/api/validation.py b/src/openprocurement/api/validation.py
index ad9ead25a7..a054bab95f 100644
--- a/src/openprocurement/api/validation.py
+++ b/src/openprocurement/api/validation.py
@@ -111,13 +111,9 @@ def validate_cpv_group(items, *args):
 
 
 def validate_classification_id(items, *args):
-    allowed_schemes = ['INN', 'ATC']
     for item in items:
         if item.classification.id.startswith('336'):
             schemes = [x.scheme for x in item.additionalClassifications]
-            if not set(schemes).issubset(set(allowed_schemes)):
-                raise ValidationError(u'additionalClassification of items wich classification.id starts with 336 \
-have to be one of {}'.format(allowed_schemes))
             if item.classification.id == '33600000-6':
                 if schemes.count('INN') != 1:
                     raise ValidationError(u"Item with classification.id=33600000-6 have to contain exactly one \