diff --git a/sapl/legacy/migra_autor.py b/sapl/legacy/migra_autor.py
new file mode 100644
index 000000000..10372c9d9
--- /dev/null
+++ b/sapl/legacy/migra_autor.py
@@ -0,0 +1,46 @@
+import mysql.connector # dep: mysql-connector-python-rf
+
+def migra_autor(db, passwd):
+  connection = mysql.connector.connect(user='root', database=db, passwd=passwd)
+  cursor = connection.cursor(buffered=True)
+  query = ("select cod_parlamentar, COUNT(*) \
+      from {}.autor where col_username is not null \
+      group by col_username, cod_parlamentar \
+      having 1 < COUNT(*) \
+      order by cod_parlamentar asc;").format(db)
+
+  cursor.execute(query)
+
+  all_authors = []
+  for response in cursor:
+    if response[0] is not None:
+      all_authors.append(response)
+
+
+  for author in all_authors:
+    query2 = ("select * from {}.autor \
+    where cod_parlamentar = " + str(author[0]) + " \
+    group by cod_autor;").format(db)
+    cursor.execute(query2)
+    user = []
+    for response in cursor:
+      user.append(response)
+
+    ativ = []
+    inativ = []
+    for tupl in user:
+      if tupl[8] == 1:
+        inativ.append(tupl)
+      elif tupl[8] == 0:
+        ativ.append(tupl)
+
+
+    tables = ['autoria', 'documento_administrativo', 'proposicao', 'protocolo']
+    for table in tables:
+      query3 = ("UPDATE {}.{} SET cod_autor = {} WHERE cod_autor in ").format(db, table, ativ[0][0])
+      inativIds = [u[0] for u in inativ]
+      inativIds = (str(inativIds)).replace(']', ')').replace('[', '(')
+      query3 += inativIds
+
+      cursor.execute(query3)
+      
\ No newline at end of file