Procurement officer must contact the seller for at least 2 or if there is only one seller compared to the original seller had purchased last To compare the price and other conditions.
The procurement officer must contact seller at least 2 items or if there are only 1 vendor entries, compared with the original vendor was recently ordered to compare the prices and other terms where appropriate.
Staff will need to contact the sales Buy at least 2 or 1 only if there is a sales revenue, compared with the original sales order has been updated to compare prices and other conditions.