Each time it is updated, you will need to accept a new Claimant Commitment to keep receiving Universal Credit.
So, you either accept whatever they say, or you can die. Basically.
You should think of jobseeking as a full-time job. You will be expected to look or prepare for work for 35 hours a week, depending on your circumstances.
Depending on what you failed to do and how many times you have failed to meet your responsibilities, a sanction can last for up to 3 years.
https://www.gov.uk/government/publications/universal-credit-and-your-claimant-commitment-quick-guide/universal-credit-and-your-claimant-commitment
So, you either accept whatever they say, or you can die. Basically.
3 fucking years.
jfc