Valuation of related-party corporate guarantees now prescribed as minimum basis, altering taxable value determination for guarantee services. The Amendment inserts a deeming rule fixing the taxable value of services where a supplier provides a corporate guarantee to a related person at a prescribed minimum of the guarantee amount or the actual consideration, whichever is higher; it also substitutes and revises multiple GST forms, modifies certain procedural language from 'order' to 'intimation', and adds a one year expiry safeguard for specified orders.