The International Weightlifting Federation released its annual update to the Technical and Competition Rules & Regulations (TCRR). The 2020 edition rules govern the sport. Note USA Weightlifting has its own rules addendum, which you may review here.
The 2020 edition includes updates to rules involving warm-up area scoreboard displays, video replay technology and the status of refugee athletes.
A side-by-side comparison between the 2019 TCRR and 2020 edition is below. If you're on mobile, please rotate your device to view the comparison in widescreen(landscape) mode.
You can download the 2020 TCRR on the IWF website here.