diff --git a/organize/browser/service.py b/organize/browser/service.py
index ada8f84..18872f4 100644
--- a/organize/browser/service.py
+++ b/organize/browser/service.py
@@ -82,19 +82,25 @@ class ServiceManagerView(BaseView):
     def manager(self):
         return self.context
 
-    def findRegistrationTemplate(self, service):
-        """ Find a registration template that provides the registration
-            for the service given.
+    def getRegistrationTemplate(self, service=None, preferRegistrationTemplate=False):
+        """ Find a suitable data or registration template.
         """
         first = None
         for tpl in self.context.getClientSchemas():
+            if not preferRegistrationTemplate:
+                return tpl
+            if IRegistrationTemplate.providedBy(tpl):
+                # TODO (optional): make sure template provides registration
+                # for service given.
+                return tpl
             if first is None:
                 first = tpl
-            if IRegistrationTemplate.providedBy(tpl):
-                # TODO: check that service is really provided by this template
-                return tpl
         return first
 
+    def registrationUrl(self):
+        tpl = self.getRegistrationTemplate()
+        return self.getUrlForObject(tpl)
+
     def overview(self, includeCategories=None):
         result = []
         classific = []
@@ -178,7 +184,7 @@ class ServiceView(BaseView):
     def getRegistrationTemplate(self):
         context = self.context
         man = context.getManager()
-        return ServiceManagerView(man, self.request).findRegistrationTemplate(context)
+        return ServiceManagerView(man, self.request).getRegistrationTemplate()
 
     def registrationUrl(self):
         tpl = self.getRegistrationTemplate()
diff --git a/organize/interfaces.py b/organize/interfaces.py
index 6473ae0..ca71a2d 100644
--- a/organize/interfaces.py
+++ b/organize/interfaces.py
@@ -149,6 +149,19 @@ class IServiceManager(Interface):
                 vocabulary=serviceManagerViews,
                 default='',
                 required=False,)
+    allowRegWithNumber = schema.Bool(
+                title=_(u'Allow registration with number'),
+                description=_(u'When this field is checked more than one '
+                        'object (participant) may be assigned with one '
+                        'registration by entering a corresponding number.'),
+                required=False,)
+    allowDirectRegistration = schema.Bool(
+                title=_(u'Allow direct registration'),
+                description=_(u'When this field is checked participants '
+                        'may register themselves directly on the page '
+                        'with the service description; otherwise registration '
+                        'is only possible on a registration template.'),
+                required=False,)
 
     services = Attribute('A collection of services managed by this object.')
 
@@ -189,6 +202,13 @@ class IService(Interface):
                         'object (participant) may be assigned with one '
                         'registration by entering a corresponding number.'),
                 required=False,)
+    allowDirectRegistration = schema.Bool(
+                title=_(u'Allow direct registration'),
+                description=_(u'When this field is checked participants '
+                        'may register themselves directly on the page '
+                        'with the service description; otherwise registration '
+                        'is only possible on a registration template.'),
+                required=False,)
     externalId = schema.TextLine(
                 title=_(u'External ID'),
                 description=_(u'Identifier in external system or code number.'),
@@ -240,6 +260,9 @@ class IService(Interface):
                 'no restriction, i.e. unlimited capacity; '
                 'read-only')
 
+    allowRegWithNumber.default_method = 'getAllowRegWithNumberFromManager'
+    allowDirectRegistration.default_method = 'getAllowDirectRegistrationFromManager'
+
     token = Attribute('A name unique within the manager of this service '
                 'used for identifying the service e.g. in forms.')
     serviceGroup = Attribute('The service group this object is an instance of.')
@@ -317,9 +340,14 @@ class IRegistrationTemplate(Interface):
         The client should be accessed via an IClientRegistrations adapter.
     """
 
-    # TODO: provide fields for criteria for selecting the services
-    #       that should be handled by this object, e.g. service
-    #       category/ies or classification(s).
+    categories = schema.List(
+                title=_(u'Categories'),
+                description=_(u'A list of categories that of services '
+                        'that should be shown on this template.'),
+                default=[],
+                required=False,)
+
+    categories.vocabulary = serviceCategories
 
     manager = Attribute('The service manager this object belongs to.')
     services = Attribute('A collection of services to which this '
diff --git a/organize/service.py b/organize/service.py
index cfa2d91..c2d866f 100644
--- a/organize/service.py
+++ b/organize/service.py
@@ -54,13 +54,16 @@ class ServiceManager(object):
     services = None
     clients = None
 
+    allowRegWithNumber = False
+    allowDirectRegistration = True
+
     def __init__(self):
         if self.servicesFactory is not None:
             self.services = self.servicesFactory()
         if self.clientSchemasFactory is not None:
             self.clientSchemas = self.clientSchemasFactory()
 
-    def getServices(self):
+    def getServices(self, categories=[]):
         return self.services
 
     def getClientSchemas(self):
@@ -95,6 +98,7 @@ class Service(object):
     manager = None
     category = None
     allowRegWithNumber = False
+    allowDirectRegistration = True
 
     def __init__(self, name=None, title=u'', capacity=-1, **kw):
         self.name = self.__name__ = name
@@ -151,6 +155,12 @@ class Service(object):
         if clientName in self.registrations:
             del self.registrations[clientName]
 
+    # default methods
+    def getAllowRegWithNumberFromManager(self):
+        return getattr(self.getManager(), 'allowRegWithNumber', None)
+    def getAllowDirectRegistrationFromManager(self):
+        return getattr(self.getManager(), 'allowDirectRegistration', None)
+
 
 class ScheduledService(Service):
 
@@ -158,6 +168,7 @@ class ScheduledService(Service):
 
     start = end = None
 
+    # default methods
     def getStartFromManager(self):
         return getattr(self.getManager(), 'start', None)
     def getEndFromManager(self):
@@ -186,14 +197,19 @@ class RegistrationTemplate(object):
     def __init__(self, name=None, manager=None):
         self.name = self.__name__ = name
         self.manager = self.__parent__ = manager
+        self.categories = []
 
     @property
     def services(self):
         return self.getServices()
 
     def getServices(self):
-        # TODO: Restrict according to the objects selection criteria
-        return self.getManager().getServices()
+        svcs = self.getManager().getServices()
+        categories = [c.strip() for c in self.categories if c.strip()]
+        if categories:
+            svcs = Jeep((key, s) for key, s in svcs.items()
+                                 if s.category in categories)
+        return svcs
 
     def getManager(self):
         return self.manager
@@ -229,7 +245,11 @@ class ClientRegistrations(object):
 
     def getRegistrations(self):
         # TODO: restrict to services on this template
-        return getattr(self.context, self.registrationsAttributeName, [])
+        regs = getattr(self.context, self.registrationsAttributeName, [])
+        if self.template is None:
+            return regs
+        svcs = self.template.getServices().values()
+        return [r for r in regs if r.service in svcs]
 
 
 # registration states definition