Only at every service interval
							                                
                                        
                                    
							                        
                    
                            At the start of every week
							                                
                                        
                                    
							                        
                    
                            At the end of every week
							                                
                                        
                                    
							                        
                    
                            Every day before starting out
							                                
                                        
                                    
							                        
                     
	 
	