There are 8 Ounces in a cup. Therefore the Tablespoon is 1/2 Ounce. A teaspoon is 1/3 of a tablespoon or 1/6 of an ounce. Remember this, 128 ounces in a gallon. 1/2 of a gallon is the next stop down = 64. 1/2 of that is a quart = 32 ounces. 1/2 of that is a pint = 16 ounces.
The difference between US Letter and Legal Paper sizes and international A4 is discussed here, however it is important to say that Letter is effectively the equivalent to A4 size in the USA.
CONSULT YOUR LAWYER BEFORE SIGNING THESE INSTRUMENTS. THESE INSTRUMENTS SHOULD BE USED BY LAWYERS ONLY! Some forms require letter (8.5x11) size paper while others require legal (8.5x14) size paper. Make sure your printer is set to the correct properties. Affidavit of Exemption Section 253(1-a)(a) - Tax Law.