From 492dc9e46f2f1fb1e41e3a2ac25b50e5d25e53bd Mon Sep 17 00:00:00 2001
From: d116626 <d116626@gmail.com>
Date: Thu, 29 Aug 2024 16:40:07 -0300
Subject: [PATCH] chore: add cns logic ref

---
 macros/validate_cns.sql | 1 +
 1 file changed, 1 insertion(+)

diff --git a/macros/validate_cns.sql b/macros/validate_cns.sql
index 8ccb6ca6..070f16be 100644
--- a/macros/validate_cns.sql
+++ b/macros/validate_cns.sql
@@ -1,4 +1,5 @@
 {% macro validate_cns(cns_column) %}
+        -- CNS validation based on https://integracao.esusab.ufsc.br/v211/docs/algoritmo_CNS.html
         CASE
             WHEN LENGTH(TRIM({{ cns_column }})) != 15 THEN FALSE