diff --git a/dev/codesniffer/ruleset.dtd b/dev/codesniffer/ruleset.dtd
index 0d498bb033c..e307d564e12 100755
--- a/dev/codesniffer/ruleset.dtd
+++ b/dev/codesniffer/ruleset.dtd
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!ELEMENT ruleset (description,rule+)>
+<!ELEMENT ruleset (description,exclude-pattern*,rule+)>
 <!ATTLIST ruleset name CDATA "">
 <!ELEMENT description (#PCDATA)>
+<!ELEMENT exclude-pattern (#PCDATA)>
 <!ELEMENT rule (properties*,severity*)>
 <!ATTLIST rule ref CDATA "">
 <!ELEMENT properties (property+)>
diff --git a/dev/codesniffer/ruleset.xml b/dev/codesniffer/ruleset.xml
index 24cc4b46e7b..7e4ae92274c 100755
--- a/dev/codesniffer/ruleset.xml
+++ b/dev/codesniffer/ruleset.xml
@@ -3,6 +3,13 @@
 <ruleset name="Dolibarr">
 	<description>Dolibarr coding standard.</description>
 
+	<exclude-pattern>*/conf.php</exclude-pattern>
+	<exclude-pattern>*/includes/*</exclude-pattern>
+	<exclude-pattern>*/documents/*</exclude-pattern>
+	<exclude-pattern>*/dev/vagrant/*</exclude-pattern>
+	<exclude-pattern>*/custom/*</exclude-pattern>
+	<exclude-pattern>*/nltechno*</exclude-pattern>
+
 	<!-- List of all tests -->
 
 	<rule ref="Internal.NoCodeFound">
@@ -10,7 +17,17 @@
 	</rule>
 
 	<rule ref="Generic.CodeAnalysis.EmptyStatement" />
- 
+
+	<rule ref="Generic.CodeAnalysis.EmptyStatement.DetectedCATCH">
+		<severity>0</severity>
+	</rule>
+	<rule ref="Generic.CodeAnalysis.EmptyStatement.DetectedIF">
+		<severity>0</severity>
+	</rule>
+	<rule ref="Generic.CodeAnalysis.EmptyStatement.DetectedELSE">
+		<severity>0</severity>
+	</rule>
+
 	<rule ref="Generic.CodeAnalysis.EmptyStatement.NotAllowed">
 		<severity>0</severity>
 	</rule>
@@ -46,6 +63,9 @@
 		</rule>
 	-->
 
+    <!-- PHP code MUST use only UTF-8 without BOM. -->
+    <rule ref="Generic.Files.ByteOrderMark"/>
+
 	<!-- Lines can be 85 chars long, but never show errors -->
 	<rule ref="Generic.Files.LineLength">
 		<properties>
@@ -93,7 +113,7 @@
     <rule ref="Generic.Metrics.CyclomaticComplexity">
         <properties>
             <property name="complexity" value="80" />
-            <property name="absoluteComplexity" value="200" />
+            <property name="absoluteComplexity" value="250" />
         </properties>
     </rule>
     <rule ref="Generic.Metrics.NestingLevel">
@@ -150,7 +170,75 @@
     <rule ref="PEAR.Commenting.ClassComment.MissingTag">
         <severity>0</severity>
     </rule>
-    
+    <rule ref="PEAR.Commenting.ClassComment.Missing@authorTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@categoryTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@licenseTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@linkTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@packageTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.SpacingAfterParamType">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.SpacingAfterParamName">
+        <severity>0</severity>
+    </rule>
+    <!-- TODO Remove this and fix reported errors -->
+    <rule ref="PEAR.Commenting.ClassComment.Missing">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.MissingReturn">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.ReturnNotRequired">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.Missing">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@authorTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@categoryTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@licenseTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@linkTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@packageTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.SpacingAfterParamType">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.SpacingAfterParamName">
+        <severity>0</severity>
+    </rule>
+    <!-- TODO Remove this and fix reported errors -->
+    <rule ref="PEAR.Commenting.ClassComment.Missing">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.MissingReturn">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.ReturnNotRequired">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.Missing">
+        <severity>0</severity>
+    </rule>
+        
     <!-- 
     <rule ref="PEAR.Commenting.FileComment" />
     <rule ref="PEAR.Commenting.FileComment.WrongStyle">
@@ -207,6 +295,24 @@
 	<rule ref="PEAR.Functions.FunctionCallSignature.Indent">
 	    <severity>0</severity>
 	</rule>
+    <rule ref="PEAR.Functions.FunctionCallSignature.SpaceBeforeOpenBracket">
+        <severity>0</severity>
+    </rule>
+	<rule ref="PEAR.Functions.FunctionCallSignature.SpaceAfterOpenBracket">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Functions.FunctionCallSignature.SpaceBeforeCloseBracket">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Functions.FunctionCallSignature.SpaceAfterCloseBracket">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Functions.FunctionCallSignature.CloseBracketLine">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Functions.FunctionCallSignature.ContentAfterOpenBracket">
+        <severity>0</severity>
+    </rule>
 	
 	<rule ref="PEAR.Functions.ValidDefaultValue" />
 
@@ -224,6 +330,10 @@
 	</rule>
 	
 	<rule ref="PEAR.NamingConventions.ValidFunctionName" />
+
+	<rule ref="PEAR.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore">
+        <severity>0</severity>
+	</rule>
 	<rule ref="PEAR.NamingConventions.ValidFunctionName.FunctionNameInvalid">
         <severity>0</severity>
 	</rule>