Updated October 28, 2016. Exterior walls can be finished with a wide array of materials and techniques. Exterior wall finishes can produce significant savings for the contractor as well as for the building occupant and there are many options that will protect you from fire, heat, snow and that can save some money to you.
When Is Penalty Interest Payable? Penalty interest is payable when money is due, but is not paid by the due date. This means that late payment of deposit or late payment of the balance of the purchase price at settlement will usually give rise to an obligation to pay penalty interest.
1 Interest is due only if a tax return is. postmarked after the filing due date. Interest is accrued at 0.0042 per month. Therefore if a return is filed 3 months late, interest would be 0.0126 of the Tax Due. 2  Note: Interest is calculated on a whole month basis, meaning if the tax return is 1 month and 1 day late.