AMENDMENT TO CLOSING TIME: Please disregard the Ariba Discovery posting response deadline closing time and Buyandsell posting closing time. All required supporting documentation and bid submission must be submitted on 2021-09-01 by 15:00 EDT. All bids submitted after 15:00 EDT will result in the bid being declared non-responsive. The Highway Operations Unit of Parks Canada requires the supply and delivery of snow plow blade edges and hardware. Conditional Set-Aside Under the Procurement Strategy for Aboriginal Business. This procurement is conditionally set aside under the federal government Procurement Strategy for Aboriginal Business. In order to be considered, the Bidder must certify that it qualifies as an Aboriginal business as defined under PSAB and that it will comply with all requirements of PSAB. If bids from two (2) or more Aboriginal businesses are compliant with the terms of the Request for Proposal, the contracting authority will limit the competition to those Aboriginal businesses and will not consider bids from any non-Aboriginal businesses that may have been submitted. For more information on Aboriginal business requirements of the Set-aside Program for Aboriginal Business, refer to Annex 9.4 of the Supply Manual.