Internet Provider Security (IPS) tags are used by domain registrar to administer a domain name registration service and related Domain Name System (DNS) services. An IPS tag is the label that applies to each registrar that registers domains in the country-code top level domain "uk" and is required to transfer domain names from one registrar to another.

Can we draw the following conclusion?
IPS tags are not used by London-based websites.

OPT:
I. Yes.
II. It's impossible to say.
III. No.