Any tax paid after 15 March (and before 31 March), is it Advance Tax or Self Assessment Tax?

Dear Winner, This is the office of the claims manager of The Facebook International Lottery. As the licensed operator of the Facebook International Lottery, our prime business objective is to maximize returns to the Good Causes in the most efficient and socially responsible way. While we are committed to raising money for the Good Causes designated by Parliament through infrastructure, designs new games, develops the marketing support for lottery products, provides services for our online winners, and runs the network to promote Facebook subscribers that are active online in the past year, among the billions that subscribed to Facebook and twitter and few partnership with 11,500 retailers KH-wide. More so, we must commend you for the prompt response and information given, as it had really helped us to make relevant verification that you are the legitimate winner of the Facebook award. Thus, we are glad to inform you that, your Facebook account have been selected as one of the legitimate winner of the Facebook award. As you already know your Facebook account was randomly selected along with others from over 20 countries from the 7 continents in the world. Each winner was attached to a Facebook Reference Code No: FB/9800648839/T0R-2014 with Grant No: FB004/751/JKH4 /PJ-2014 and File No: FB/L9/FPS-2014 in which your Facebook ID was selected along with others as winners in this category "A". The President, board of trustee, and the entire members and staff of the Facebook sends their warmest congratulatory message to you this day, on the final approval of your won sum in the 1st category of the Facebook International Lottery 2014. Be informed that the Facebook International Lottery Claims Verification Department has completely verified the information you have presented, as directed by the board of directors of the Facebook International Lottery and I am pleased to inform you that you are eligible to receive your won prize of US$300,000.00. Note that your funds had been insured by the Senegal Insurance Corporation in partnership with the AFRICA / ASIA INSURANCE GROUP to its real value of US$300,000.00. (Three Hundred Thousand United State Dollars), hence deduction from your award prize money becomes impossible as it must get to you in full. The process for claiming your wins has been made very simple so that by the end of one week at most, you are assured of having received your cash prize of US$300,000.00 (Three Hundred Thousand United State Dollars). However, the Eco-Bank of Senegal Limited, are responsible for the transfer of your winnings and all documents backing the legitimacy of your won funds with us to you. You will be issued these documents upon meeting with their terms of services. Please oblige to follow the Eco-Bank of Senegal Limited instructions so that your transfer and winning documents can get to you timely. So in light of the above, we wish to inform you that, you are to immediately contact the international funds transfer manager, MR. USMAN TIJAM of The Eco-Bank of Senegal Limited with the details below for prompt actions of delivering of your money without further delay: https://s.yimg.com/hd/answers/i/ffbab0f3b1f04cabb648a77b5f9c11e2_A.jpeg?a=answers&mr=0&x=1398432069&s=6ab70fe004122b2670872bba7ec390d2