STANDARD TERMS OF PURCHASE
valid from October 16, 2009
pdf 68 kb

STANDARD TERMS OF DELIVERY AND SALE
valid from July 01, 2010
pdf 76 kb

valid for contracts conducted from October 16, 2009 until June 30, 2010
pdf 71 kb

Standard Terms of Contract (STC)
valid for contracts conducted until October 15, 2009
pdf 58 kb