Notice to terminate periodic tenancy landlord to tenant handwritten template This is a template letter for a landlord to send to a tenant giving not less than 90 days’ notice to terminate a periodic tenancy. This letter meets the requirements of section 51(1)(d) of the Residential Tenancies Act 1986. Notice to terminate periodic tenancy landlord to tenant online template This is a template letter for a landlord to send to a tenant giving not less than 90 days’ notice to terminate a periodic tenancy. This letter meets the requirements of section 51(1)(d) of the Residential Tenancies Act 1986.