diff --git a/src/db/migration/V20161229_1515__mantis8120.sql b/src/db/migration/V20161229_1515__mantis8120.sql
new file mode 100644
index 000000000..7f7cc73bd
--- /dev/null
+++ b/src/db/migration/V20161229_1515__mantis8120.sql
@@ -0,0 +1,8 @@
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -01430);
+begin
+    execute immediate 'UPDATE EMPRESA_IMPOSTO SET CODESTABELECIMENTO = NULL';
+    execute immediate 'ALTER TABLE EMPRESA_IMPOSTO MODIFY (CODESTABELECIMENTO VARCHAR2(4))';
+    exception when column_exists then null;
+end;
\ No newline at end of file
diff --git a/src/db/migration/V20161229_1516__mantis8120.sql b/src/db/migration/V20161229_1516__mantis8120.sql
new file mode 100644
index 000000000..4085894c3
--- /dev/null
+++ b/src/db/migration/V20161229_1516__mantis8120.sql
@@ -0,0 +1,8 @@
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -01430);
+begin
+    execute immediate 'UPDATE EMPRESA_IMPOSTO SET CODIGOCONTABILMUNICIPAL = NULL';
+    execute immediate 'ALTER TABLE EMPRESA_IMPOSTO MODIFY (CODIGOCONTABILMUNICIPAL VARCHAR2(15))';
+    exception when column_exists then null;
+end;
\ No newline at end of file
diff --git a/src/db/migration/V20161229_1517__mantis8120.sql b/src/db/migration/V20161229_1517__mantis8120.sql
new file mode 100644
index 000000000..1d9b7d358
--- /dev/null
+++ b/src/db/migration/V20161229_1517__mantis8120.sql
@@ -0,0 +1,8 @@
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -01430);
+begin
+    execute immediate 'UPDATE EMPRESA_IMPOSTO SET CODIGOCONTABILESTADUAL = NULL';
+    execute immediate 'ALTER TABLE EMPRESA_IMPOSTO MODIFY (CODIGOCONTABILESTADUAL VARCHAR2(15))';
+    exception when column_exists then null;
+end;
\ No newline at end of file
diff --git a/src/db/migration/V20161229_1518__mantis8120.sql b/src/db/migration/V20161229_1518__mantis8120.sql
new file mode 100644
index 000000000..ed1875214
--- /dev/null
+++ b/src/db/migration/V20161229_1518__mantis8120.sql
@@ -0,0 +1,8 @@
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -01430);
+begin
+    execute immediate 'UPDATE ESTADO SET CODESTABELECIMENTO = NULL';
+    execute immediate 'ALTER TABLE ESTADO MODIFY (CODESTABELECIMENTO VARCHAR2(4))';
+    exception when column_exists then null;
+end;
\ No newline at end of file
diff --git a/src/db/migration/V20161229_1519__mantis8120.sql b/src/db/migration/V20161229_1519__mantis8120.sql
new file mode 100644
index 000000000..ddf8a6208
--- /dev/null
+++ b/src/db/migration/V20161229_1519__mantis8120.sql
@@ -0,0 +1,8 @@
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -01430);
+begin
+    execute immediate 'UPDATE FISCAL_IMPRESSORA SET NUMEROIDENTIFICACAO = NULL';
+    execute immediate 'ALTER TABLE FISCAL_IMPRESSORA MODIFY (NUMEROIDENTIFICACAO VARCHAR2(3))';
+    exception when column_exists then null;
+end;
\ No newline at end of file