Oct 28 (Reuters) - Teck Resources Ltd TECKb.TO :
* TECK RECEIVES REGULATORY APPROVAL FOR SHARE BUY-BACK PROGRAM
* TECK RESOURCES LTD - UNDER NCIB, TECK MAY PURCHASE UP TO 40 MILLION CLASS B SHARES DURING PERIOD STARTING NOV 2, 2020 AND ENDING NOV 1, 2021