Self-certification means that you notify the employer that you cannot work due to illness or injury without submitting a sick note from a health professional.
If you can work part-time, you can be on sick leave part-time. The purpose is to stay in touch with your workplace and use the opportunities you have to work. The precondition is that it is medically justifiable.
Pending sick note is a notice to your employer that sick leave can be avoided if your needs in the workplace are facilitated.
You can get a sick note if you receive treatment with such en effect on you that means you cannot work the same day.
You can receive travel allowance instead of sickness benefit if it allows you to work. You can also receive travel allowance along with partial sickness benefit.
If all possibilities of returning to your workplace have been tried, you can receive sickness benefit for up to 12 weeks while you look for a new job.