To ask the Scottish Executive what action can be taken by local authorities against (a) private sector and (b) registered social landlords that fail to take action to control the antisocial behaviour of their tenants. (a) If a privatelandlord fails to take action to control the antisocial behaviour of tenants,despite advice, the local authority may serve an Antisocial Behaviour Notice,specifying actions the landlord is required to take to address the situation.