A bid invitation is defined as a request from a buyer to a supplier to submit a quotation for goods or services as per mentioned criteria. Bid invitation is also known as request for quotation RFx.
A request for quotation RFx is an invitation sent to supplier by an organization’s purchase department to submit RFx response for the supply of certain goods under specified terms and condition. RFx document contains information like vendor name, vendor's address, goods quantities and delivery dates for the material. You can create RFx with reference to a purchase requisition and all the information is copied from the purchase requisition. When RFx is created without any reference, you can enter the details manually in RFx document.