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Any funds drawn under the $1.0 billion revolving credit facility are due in full at maturity and are guaranteed by TML. Any outstanding amounts under the facility bear interest at LIBOR plus an applicable margin based on our credit ratings. The facility requires a maximum total debt to total capitalization ratio of 0.5 to 1. As at December 31, 2012 we are in compliance with all debt covenants and default provisions. 

f) Scheduled Principal Payments 

At December 31, 2012 the scheduled principal payments during the next five years and thereafter are as follows: 

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## 18. Income and Resource Taxes 

a) Provision for Income and Resource Taxes 

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