diff --git a/htdocs/adherents/class/adherent.class.php b/htdocs/adherents/class/adherent.class.php
index 5df6db52f3d..b26d45c34e2 100644
--- a/htdocs/adherents/class/adherent.class.php
+++ b/htdocs/adherents/class/adherent.class.php
@@ -2585,38 +2585,8 @@ class Adherent extends CommonObject
 	 */
 	public function setCategories($categories)
 	{
-		// Handle single category
-		if (!is_array($categories)) {
-			$categories = array($categories);
-		}
-
-		// Get current categories
 		require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
-		$c = new Categorie($this->db);
-		$existing = $c->containing($this->id, Categorie::TYPE_MEMBER, 'id');
-
-		// Diff
-		if (is_array($existing)) {
-			$to_del = array_diff($existing, $categories);
-			$to_add = array_diff($categories, $existing);
-		} else {
-			$to_del = array(); // Nothing to delete
-			$to_add = $categories;
-		}
-
-		// Process
-		foreach ($to_del as $del) {
-			if ($c->fetch($del) > 0) {
-				$c->del_type($this, Categorie::TYPE_MEMBER);
-			}
-		}
-		foreach ($to_add as $add) {
-			if ($c->fetch($add) > 0) {
-				$c->add_type($this, Categorie::TYPE_MEMBER);
-			}
-		}
-
-		return;
+		return parent::setCategoriesCommon($categories, Categorie::TYPE_MEMBER);
 	}
 
 	/**
diff --git a/htdocs/contact/class/contact.class.php b/htdocs/contact/class/contact.class.php
index 367a2e7cd62..8fe4943d267 100644
--- a/htdocs/contact/class/contact.class.php
+++ b/htdocs/contact/class/contact.class.php
@@ -1579,38 +1579,8 @@ class Contact extends CommonObject
 	 */
 	public function setCategories($categories)
 	{
-		// Handle single category
-		if (!is_array($categories)) {
-			$categories = array($categories);
-		}
-
-		// Get current categories
 		require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
-		$c = new Categorie($this->db);
-		$existing = $c->containing($this->id, Categorie::TYPE_CONTACT, 'id');
-
-		// Diff
-		if (is_array($existing)) {
-			$to_del = array_diff($existing, $categories);
-			$to_add = array_diff($categories, $existing);
-		} else {
-			$to_del = array(); // Nothing to delete
-			$to_add = $categories;
-		}
-
-		// Process
-		foreach ($to_del as $del) {
-			if ($c->fetch($del) > 0) {
-				$c->del_type($this, Categorie::TYPE_CONTACT);
-			}
-		}
-		foreach ($to_add as $add) {
-			if ($c->fetch($add) > 0) {
-				$c->add_type($this, Categorie::TYPE_CONTACT);
-			}
-		}
-
-		return;
+		return parent::setCategoriesCommon($categories, Categorie::TYPE_CONTACT);
 	}
 
 	/**
diff --git a/htdocs/contact/list.php b/htdocs/contact/list.php
index 00c74544d17..ecde0faf245 100644
--- a/htdocs/contact/list.php
+++ b/htdocs/contact/list.php
@@ -277,6 +277,7 @@ if (empty($reshook))
 	$objectlabel = 'Contact';
 	$permissiontoread = $user->rights->societe->lire;
 	$permissiontodelete = $user->rights->societe->supprimer;
+	$permissiontoadd = $user->rights->societe->creer;
 	$uploaddir = $conf->societe->dir_output;
 	include DOL_DOCUMENT_ROOT.'/core/actions_massactions.inc.php';
 
@@ -525,6 +526,7 @@ $arrayofmassactions = array(
 );
 //if($user->rights->societe->creer) $arrayofmassactions['createbills']=$langs->trans("CreateInvoiceForThisCustomer");
 if ($user->rights->societe->supprimer) $arrayofmassactions['predelete'] = '<span class="fa fa-trash paddingrightonly"></span>'.$langs->trans("Delete");
+if ($user->rights->societe->creer) $arrayofmassactions['preaffecttag'] = '<span class="fa fa-tag paddingrightonly"></span>'.$langs->trans("AffectTag");
 if (in_array($massaction, array('presend', 'predelete'))) $arrayofmassactions = array();
 $massactionbutton = $form->selectMassAction('', $arrayofmassactions);
 
diff --git a/htdocs/core/actions_massactions.inc.php b/htdocs/core/actions_massactions.inc.php
index 356eb36a04b..7331a9f40a5 100644
--- a/htdocs/core/actions_massactions.inc.php
+++ b/htdocs/core/actions_massactions.inc.php
@@ -1291,6 +1291,68 @@ if (!$error && $massaction == 'generate_doc' && $permissiontoread)
 	}
 }
 
+if (!$error && ($action == 'affecttag' && $confirm == 'yes') && $permissiontoadd) {
+
+	$db->begin();
+
+	$affecttag_type=GETPOST('affecttag_type','alpha');
+	if (!empty($affecttag_type)) {
+		$affecttag_type_array=explode(',',$affecttag_type);
+	} else {
+		setEventMessage('CategTypeNotFound','errors');
+	}
+	if (!empty($affecttag_type_array)) {
+		//check if tag type submited exists into Tag Map categorie class
+		require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
+		$categ = new Categorie($db);
+		$to_affecttag_type_array=array();
+		$categ_type_array=$categ->getMapList();
+		foreach($categ_type_array as $categdef) {
+
+			if (in_array($categdef['code'],  $affecttag_type_array)) {
+				$to_affecttag_type_array[] = $categdef['code'];
+			}
+		}
+
+		//For each valid categ type set common categ
+		$nbok = 0;
+		if (!empty($to_affecttag_type_array)) {
+			foreach ($to_affecttag_type_array as $categ_type) {
+				$contcats = GETPOST('contcats_' . $categ_type, 'array');
+var_dump($toselect);exit;
+				foreach ($toselect as $toselectid) {
+					$result = $object->fetch($toselectid);
+					var_dump($contcats);exit;
+					if ($result > 0) {
+
+						$result = $object->setCategoriesCommon($contcats, $categ_type, false);
+						if ($result > 0) {
+							$nbok++;
+						} else {
+							setEventMessages($object->error, $object->errors, 'errors');
+						}
+
+					} else {
+						setEventMessages($object->error, $object->errors, 'errors');
+						$error++;
+						break;
+					}
+				}
+			}
+		}
+	}
+
+	if (!$error)
+	{
+		if ($nbok > 1) setEventMessages($langs->trans("RecordsModified", $nbok), null);
+		else setEventMessages($langs->trans("RecordsModified", $nbok), null);
+		$db->commit();
+		$toselect=array();
+	} else {
+		$db->rollback();
+	}
+}
+
 $parameters['toselect'] = $toselect;
 $parameters['uploaddir'] = $uploaddir;
 $parameters['massaction'] = $massaction;
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index bfdea016ea6..f97f583fc87 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -8377,18 +8377,26 @@ abstract class CommonObject
 	/**
 	 * Sets object to given categories.
 	 *
-	 * Deletes object from existing categories not supplied.
 	 * Adds it to non existing supplied categories.
+	 * Deletes object from existing categories not supplied (if remove_existing==true).
 	 * Existing categories are left untouch.
 	 *
-	 * @param 	int[]|int 	$categories 	Category ID or array of Categories IDs
-	 * @param 	string 		$type_categ 	Category type ('customer', 'supplier', 'website_page', ...)
+	 * @param 	int[]|int 	$categories 		Category ID or array of Categories IDs
+	 * @param 	string 		$type_categ 		Category type ('customer', 'supplier', 'website_page', ...) definied into const class Categorie type
+	 * @param 	boolean		$remove_existing 	True: Remove existings categories from Object if not supplies by $categories, False: let them
 	 * @return	int							<0 if KO, >0 if OK
 	 */
-	public function setCategoriesCommon($categories, $type_categ)
+	public function setCategoriesCommon($categories, $type_categ='', $remove_existing=true)
 	{
+		dol_syslog(get_class($this)."::setCategoriesCommon Oject Id:".$this->id.' type_categ:'.$type_categ.' nb tag add:'.count($categories), LOG_DEBUG);
+
 		require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 
+		if (empty($type_categ)) {
+			dol_syslog(__METHOD__.': Type '.$type_categ.'is an unknown category type. Done nothing.', LOG_ERR);
+			return -1;
+		}
+
 		// Handle single category
 		if (!is_array($categories)) {
 			$categories = array($categories);
@@ -8397,22 +8405,36 @@ abstract class CommonObject
 		// Get current categories
 		$c = new Categorie($this->db);
 		$existing = $c->containing($this->id, $type_categ, 'id');
-
-		// Diff
-		if (is_array($existing)) {
-			$to_del = array_diff($existing, $categories);
-			$to_add = array_diff($categories, $existing);
+		if ($remove_existing) {
+			// Diff
+			if (is_array($existing)) {
+				$to_del = array_diff($existing, $categories);
+				$to_add = array_diff($categories, $existing);
+			} else {
+				$to_del = array(); // Nothing to delete
+				$to_add = $categories;
+			}
 		} else {
 			$to_del = array(); // Nothing to delete
-			$to_add = $categories;
+			$to_add = array_diff($categories, $existing);
 		}
 
 		$error = 0;
+		$ok=0;
 
 		// Process
 		foreach ($to_del as $del) {
 			if ($c->fetch($del) > 0) {
-				$c->del_type($this, $type_categ);
+				$result=$c->del_type($this, $type_categ);
+				if ($result < 0)
+				{
+					$error++;
+					$this->error = $c->error;
+					$this->errors = $c->errors;
+					break;
+				} else {
+					$ok+=$result;
+				}
 			}
 		}
 		foreach ($to_add as $add) {
@@ -8425,11 +8447,13 @@ abstract class CommonObject
 					$this->error = $c->error;
 					$this->errors = $c->errors;
 					break;
+				} else {
+					$ok+=$result;
 				}
 			}
 		}
 
-		return $error ? -1 : 1;
+		return $error ? -1 * $error : $ok;
 	}
 
 	/**
diff --git a/htdocs/core/tpl/massactions_pre.tpl.php b/htdocs/core/tpl/massactions_pre.tpl.php
index 21070467f57..a5ce87ae932 100644
--- a/htdocs/core/tpl/massactions_pre.tpl.php
+++ b/htdocs/core/tpl/massactions_pre.tpl.php
@@ -37,6 +37,42 @@ if ($massaction == 'predelete')
 	print $form->formconfirm($_SERVER["PHP_SELF"], $langs->trans("ConfirmMassDeletion"), $langs->trans("ConfirmMassDeletionQuestion", count($toselect)), "delete", null, '', 0, 200, 500, 1);
 }
 
+if ($massaction == 'preaffecttag')
+{
+	require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
+	$categ = new Categorie($db);
+	$categ_types=array();
+	$categ_type_array=$categ->getMapList();
+	foreach($categ_type_array as $categdef) {
+		if (isset($object) && $categdef['obj_table']==$object->table_element) {
+			if (!array_key_exists($categdef['code'],$categ_types)) $categ_types[$categdef['code']] = array('code'=>$categdef['code'],'label'=>$langs->trans($categdef['obj_class']));
+		}
+		if (isset($objecttmp) && $categdef['obj_table']==$objecttmp->table_element) {
+			if (!array_key_exists($categdef['code'],$categ_types)) $categ_types[$categdef['code']] = array('code'=>$categdef['code'],'label'=>$langs->trans($categdef['obj_class']));
+		}
+	}
+
+	$formquestion = array();
+	if (!empty($categ_types)) {
+		foreach($categ_types as $categ_type) {
+			$cate_arbo = $form->select_all_categories($categ_type['code'], null, 'parent', null, null, 1);
+			$formquestion[]=
+				array('type' => 'other',
+					'name' => 'affecttag_'.$categ_type['code'],
+					'label' => $langs->trans("Tag").' '.$categ_type['label'],
+					'value' => $form->multiselectarray('contcats_'.$categ_type['code'], $cate_arbo, GETPOST('contcats_'.$categ_type['code'], 'array'), null, null, null, null, '60%'));
+		}
+		$formquestion[]=
+			array('type' => 'other',
+				'name' => 'affecttag_type',
+				'label' => '',
+				'value' => '<input type="hidden" name="affecttag_type"  id="affecttag_type" value="'.implode(",",array_keys($categ_types)).'"/>');
+		print $form->formconfirm($_SERVER["PHP_SELF"], $langs->trans("ConfirmAffectTag"), $langs->trans("ConfirmAffectTagQuestion", count($toselect)), "affecttag", $formquestion, 1, 0, 200, 500, 1);
+	} else {
+		setEventMessage('CategTypeNotFound');
+	}
+}
+
 if ($massaction == 'presend')
 {
 	$langs->load("mails");
diff --git a/htdocs/langs/en_US/main.lang b/htdocs/langs/en_US/main.lang
index 7075df90783..07aafadd636 100644
--- a/htdocs/langs/en_US/main.lang
+++ b/htdocs/langs/en_US/main.lang
@@ -1112,4 +1112,7 @@ UpToDate=Up-to-date
 OutOfDate=Out-of-date
 EventReminder=Event Reminder
 UpdateForAllLines=Update for all lines
-OnHold=On hold
\ No newline at end of file
+OnHold=On hold
+ConfirmAffectTag=Bulk Tag Affect
+ConfirmAffectTagQuestion=Are you sure you want to affect tags to the %s selected record(s)?
+CategTypeNotFound=No tag type found for type of records
diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index c40ffd4e0a9..4e94380a54f 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -5497,38 +5497,9 @@ class Product extends CommonObject
 	 */
 	public function setCategories($categories)
 	{
-		// Handle single category
-		if (!is_array($categories)) {
-			$categories = array($categories);
-		}
 
-		// Get current categories
-		include_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
-		$c = new Categorie($this->db);
-		$existing = $c->containing($this->id, Categorie::TYPE_PRODUCT, 'id');
-
-		// Diff
-		if (is_array($existing)) {
-			$to_del = array_diff($existing, $categories);
-			$to_add = array_diff($categories, $existing);
-		} else {
-			$to_del = array(); // Nothing to delete
-			$to_add = $categories;
-		}
-
-		// Process
-		foreach ($to_del as $del) {
-			if ($c->fetch($del) > 0) {
-				$c->del_type($this, Categorie::TYPE_PRODUCT);
-			}
-		}
-		foreach ($to_add as $add) {
-			if ($c->fetch($add) > 0) {
-				$c->add_type($this, Categorie::TYPE_PRODUCT);
-			}
-		}
-
-		return;
+		require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
+		return parent::setCategoriesCommon($categories, Categorie::TYPE_PRODUCT);
 	}
 
 	/**
diff --git a/htdocs/societe/class/societe.class.php b/htdocs/societe/class/societe.class.php
index 0aeb64aa427..70f561acf2a 100644
--- a/htdocs/societe/class/societe.class.php
+++ b/htdocs/societe/class/societe.class.php
@@ -4266,47 +4266,7 @@ class Societe extends CommonObject
 			return -1;
 		}
 
-		// Handle single category
-		if (!is_array($categories)) {
-			$categories = array($categories);
-		}
-
-		// Get current categories
-		$c = new Categorie($this->db);
-		$existing = $c->containing($this->id, $type_categ, 'id');
-
-		// Diff
-		if (is_array($existing)) {
-			$to_del = array_diff($existing, $categories);
-			$to_add = array_diff($categories, $existing);
-		} else {
-			$to_del = array(); // Nothing to delete
-			$to_add = $categories;
-		}
-
-		$error = 0;
-
-		// Process
-		foreach ($to_del as $del) {
-			if ($c->fetch($del) > 0) {
-				$c->del_type($this, $type_categ);
-			}
-		}
-		foreach ($to_add as $add) {
-			if ($c->fetch($add) > 0)
-			{
-				$result = $c->add_type($this, $type_categ);
-				if ($result < 0)
-				{
-					$error++;
-					$this->error = $c->error;
-					$this->errors = $c->errors;
-					break;
-				}
-			}
-		}
-
-		return $error ? -1 : 1;
+		return parent::setCategoriesCommon($categories, $type_categ);
 	}
 
 	/**
diff --git a/htdocs/societe/list.php b/htdocs/societe/list.php
index 2e24f355b37..ffdba17d24d 100644
--- a/htdocs/societe/list.php
+++ b/htdocs/societe/list.php
@@ -324,6 +324,7 @@ if (empty($reshook))
 	$objectlabel = 'ThirdParty';
 	$permissiontoread = $user->rights->societe->lire;
 	$permissiontodelete = $user->rights->societe->supprimer;
+	$permissiontoadd = $user->rights->societe->creer;
 	$uploaddir = $conf->societe->dir_output;
 	include DOL_DOCUMENT_ROOT.'/core/actions_massactions.inc.php';
 
@@ -595,6 +596,7 @@ $arrayofmassactions = array(
 );
 //if($user->rights->societe->creer) $arrayofmassactions['createbills']=$langs->trans("CreateInvoiceForThisCustomer");
 if ($user->rights->societe->supprimer) $arrayofmassactions['predelete'] = '<span class="fa fa-trash paddingrightonly"></span>'.$langs->trans("Delete");
+if ($user->rights->societe->creer) $arrayofmassactions['preaffecttag'] = '<span class="fa fa-tag paddingrightonly"></span>'.$langs->trans("AffectTag");
 if (GETPOST('nomassaction', 'int') || in_array($massaction, array('presend', 'predelete'))) $arrayofmassactions = array();
 $massactionbutton = $form->selectMassAction('', $arrayofmassactions);
 
diff --git a/htdocs/user/class/user.class.php b/htdocs/user/class/user.class.php
index eb92bd51eb9..7e0c4628250 100644
--- a/htdocs/user/class/user.class.php
+++ b/htdocs/user/class/user.class.php
@@ -1159,40 +1159,7 @@ class User extends CommonObject
 	public function setCategories($categories)
 	{
 		require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
-
-		$type_categ = Categorie::TYPE_USER;
-
-		// Handle single category
-		if (!is_array($categories)) {
-			$categories = array($categories);
-		}
-
-		// Get current categories
-		$c = new Categorie($this->db);
-		$existing = $c->containing($this->id, $type_categ, 'id');
-
-		// Diff
-		if (is_array($existing)) {
-			$to_del = array_diff($existing, $categories);
-			$to_add = array_diff($categories, $existing);
-		} else {
-			$to_del = array(); // Nothing to delete
-			$to_add = $categories;
-		}
-
-		// Process
-		foreach ($to_del as $del) {
-			if ($c->fetch($del) > 0) {
-				$c->del_type($this, $type_categ);
-			}
-		}
-		foreach ($to_add as $add) {
-			if ($c->fetch($add) > 0) {
-				$c->add_type($this, $type_categ);
-			}
-		}
-
-		return;
+		return parent::setCategoriesCommon($categories, Categorie::TYPE_USER);
 	}
 
 	/**
diff --git a/htdocs/user/list.php b/htdocs/user/list.php
index e7a8a31af4e..3e486fb0c70 100644
--- a/htdocs/user/list.php
+++ b/htdocs/user/list.php
@@ -422,6 +422,7 @@ include DOL_DOCUMENT_ROOT.'/core/tpl/extrafields_list_search_param.tpl.php';
 $arrayofmassactions = array();
 if ($permissiontoadd) $arrayofmassactions['disable'] = $langs->trans("DisableUser");
 if ($permissiontoadd) $arrayofmassactions['reactivate'] = $langs->trans("Reactivate");
+if ($permissiontoadd) $arrayofmassactions['preaffecttag'] = '<span class="fa fa-tag paddingrightonly"></span>'.$langs->trans("AffectTag");
 //if ($permissiontodelete) $arrayofmassactions['predelete'] = '<span class="fa fa-trash paddingrightonly"></span>'.$langs->trans("Delete");
 
 if (GETPOST('nomassaction', 'int') || in_array($massaction, array('presend', 'predelete'))) $arrayofmassactions = array();