This enlightening piece explores frequent misunderstandings about HMRC self-assessment. It reveals that individuals should submit documentation even without HMRC notifications, particularly if they are starting self-employment or earning untaxed income. The article dispels the belief that tax settlement must coincide with return submission, highlighting the January 31st deadline. Moreover, it explains that returns may be required even without tax obligations, particularly for securing refunds or protecting benefit entitlements. Important information is offered about digital marketplace regulations and HMRC deregistration processes.