Financial expert warns of four crucial HMRC deadlines in July, including the Second Payment on Account for self-employed and untaxed income individuals.

Financial expert James O'Brennan warns Britons of four crucial HMRC deadlines in July, emphasizing the importance of staying proactive and informed to avoid hefty fines. July 31st marks a significant date for managing taxes and maintaining financial health. The Second Payment on Account deadline, specifically for self-employed and those with untaxed income, is one of these critical dates.