Sample tenancy break lease clause

Here is a sample tenancy break lease clause:

Diplomatic Clause:
Provided the Tenant has occupied the premises for a minimum period of twelve (12) months, the Tenant may exercise the diplomatic clause by giving the Landlord two (2) calendar months' notice in writing of the Tenant's intention to terminate the tenancy or two (2) months' rent in lieu of such notice if the occupier of the premises and employee of the Tenant shall be required by the Tenant to leave Singapore permanently on a job transfer or if the said occupier's employment with the said Tenant is terminated for any reason whatsoever. Provided always that the said written notice shall be accompanied by documentary evidence proving the event relied upon by the Tenant in the said written notice.