Australia ~ Forcing qr checkin is illegal.
PRIVACY ACT 1988 - SECT 94H
Requiring the use of COVIDSafe
(1) A person commits an offence if the person requires another person to:
(a) download COVIDSafe to a communication device; or
(b) have COVIDSafe in operation on a communication device; or
(c) consent to uploading COVID app data from a communication device to the National COVIDSafe Data Store.
Penalty: Imprisonment for 5 years or 300 penalty units, or both.
(2) A person commits an offence if the person:
(a) refuses to enter into, or continue, a contract or arrangement with another person (including a contract of employment); or
(b) takes adverse action (within the meaning of the Fair Work Act 2009 ) against another person; or
(c) refuses to allow another person to enter:
(i) premises that are otherwise accessible to the public; or
(ii) premises that the other person has a right to enter; or
(d) refuses to allow another person to participate in an activity; or
(e) refuses to receive goods or services from another person, or insists on providing less monetary consideration for the goods or services; or
(f) refuses to provide goods or services to another person, or insists on receiving more monetary consideration for the goods or services;
on the ground that, or on grounds that include the ground that, the other person:
(g) has not downloaded COVIDSafe to a communication device; or
(h) does not have COVIDSafe in operation on a communication device; or
(i) has not consented to uploading COVID app data from a communication device to the National COVIDSafe Data Store.
Penalty: Imprisonment for 5 years or 300 penalty units, or both.
(3) To avoid doubt:
(a) subsection (2) is a workplace law for the purposes of the Fair Work Act 2009 ; and
(b) the benefit that the other person derives because of an obligation of the person under subsection (2) is a workplace right within the meaning of Part 3-1 of that Act.
http://www5.austlii.edu.au/au/legis/cth/consol_act/pa1988108/s94h.html