Notice to terminate periodic tenancy tenant to landlord handwritten template This is a template letter for a tenant to send to a landlord giving not less than 21 days’ notice to terminate a periodic tenancy. This letter meets the requirements of section 51(2) of the Residential Tenancies Act 1986. Notice to terminate periodic tenancy tenant to landlord online template This is a template letter for a tenant to send to a landlord giving not less than 21 days’ notice to terminate a periodic tenancy. This letter meets the requirements of section 51(2) of the Residential Tenancies Act 1986.