The IRS provides more information about this in IRS Publication 542, Corporations. Self Employment Tax. Self-employment tax is social security and Medicare tax for people who are self-employed. This tax applies to those who are sole proprietors with a net profit of $400 or more during the year.
The Mekong River originates at the Lasagongma Spring. The spring is located in the high plateaus of Tibet. It is estimated to be 4,350 kilometers long. 1 person found this useful.
In 1995, Laos, Thailand, Cambodia and Vietnam established the Mekong River Commission to assist in the management and coordinated use of the Mekong's resources. In 1996 China and Burma (Myanmar) became dialogue partners of the MRC and the six countries now work together within a cooperative framework.n the Mekong's case, Mae Nam Khong means Khong, The mother of water. Many Northern Thai and Laos locals refer to it as the River Khong. Such is the case with the Mae Nam Ping in Chiang Mai which is known as the  Ping River .