Step 2, demand compliance.
Step 3, upon not hearing of compliance, levy fines.
Step 4, upon non payment of fines, declare in breach of (2).
Step 5, block site from UK using DNS, in the same manner as torrent sites etc.
5 was always the goal, 2 to 4 are largely just performative.
The UK government has lost control of what happen in the physical world on their own island so now the bureaucrats play a fantasy game where they are gonna enforce their rules and dominion in their former colonies or the digital world.
The House of Lords disagrees and the Monarch disagree. Sometimes they cosplay as a democracy.
This action to prorogue was however later deemed unlawful by the Supreme Court on the 24th September 2019 (2). See recent changes to senior members, and subsequent rulings on matters of state importance by the Supreme Court for a look at what happens when they try to correct parliamentary actions by the ruling party. They have been singing from the governmental hymn sheet ever since.
Whither democracy? Whither justice?
1. https://labourheartlands.com/parliament-has-been-prorogued-a...
2. https://commonslibrary.parliament.uk/decision-of-the-supreme...