The document discusses the tender calling procedure which involves 3 stages: the announcement stage where a party requests submission of bids for a project, the tendering stage where interested parties submit bids, and the award stage where a contract is awarded. It notes that a call for tenders is an offer to consider bids and enter a contract if a bid is accepted. Common tender methods include open, selective, multi-stage, and invited tenders. Security deposits and earnest money are also discussed.