While a protocol as a whole, may be comprised of more than one header type that it uses for communication purposes to exchange information such as state and transmit application specific data. This is the reason why sometimes a protocol is described as a protocol suite.
Since January 1, 2006, U.S. employers have been allowed to amend their 401(k) plan document to allow employees to elect Roth IRA type tax treatment for a portion or all of their retirement plan contributions. The same change in law allowed Roth IRA type contributions to 403(b) retirement plans. Employees can roll their Roth 401(k) contributions over to a Roth IRA account upon termination of employment. 2  It is the employer's decision whether to provide access to the Roth 401(k) in addition to the traditional 401(k).
How much can I contribute to the Roth 401(k)/403(b)? Roth 401(k)/403(b) contributions are subject to the existing 402(g) limits. If you are under age 50, the IRS contribution limit for Roth 401(k)/403(b) and traditional pre-tax contributions combined is $16,500 for 2011, and $17,000 for 2012.ally's reduction in take home pay. $200. $150. 1  Roth 401(k)/403(b) contributions are subject to the existing 402(g) limits. 2  If you are under age 50, the IRS contribution limit for Roth 401(k)/403(b) and traditional pre-tax contributions combined is $16,500 for 2011, and $17,000 for 2012.