i'm not a tax guru by any stretch of the imigination. but since i need to do self-assessment this year i've learned mroe about it. every tax situation is unique and is down to many many specifics. here's mine and why i need to do self-assessment. i moved here three years ago. my UK employer has been in essence paying my UK taxes through the Pay as you Earn scheme (PAYE). this is where the uk inland revenue assigns a code to you, and uses that to take out the correct amount from each paycheck. now, according to the inland revenue, the only income i have is from this UK employer.
but... in oct 2005, i sold a bunch of stocks in the US, and brought the money to the UK to buy a house. now, i need to pay US capital gains taxes on that income (which i will do in april 2006). but since i've remitted or brought that money from the US to the UK, and I am living in the UK and am a resident of the UK, i need to declare that EXTRA income to the UK inland revenue. this is why I need to file self-assessment. i have already paid taxes on my regular UK income, but this extra UK income needs to be taxes.
now- that's the simple story. it gets more complicated into how much capital gains, exchange rates etc....
what i think guya is getting at is that if you remit funds from your US bank account (by using yoru US debit card), you are in essence remitting those funds to the UK. now, it's a teeney tiny amount. but officially you should declare it and pay taxes on it.
hope this clarifies a bit for someone. i found the which guide to self-assessment the most useful.
www.which.co.uk