This excerpt taken from the MRVL 10-Q filed Sep 8, 2005.
Seller Plans) prior to the Closing (other than with respect to benefit accrual under employee 401(k) or other pension or retiree welfare benefit plans and not for equity compensation vesting or vacation). To the extent permitted under the Buyer Plans, Buyer shall give credit under those of its Buyer Plans that are welfare benefit plans for all amounts credited toward deductibles and out-of-pocket maximums, and time accrued against applicable waiting periods, by Transferred Employees (including their eligible dependents), in respect of the calendar year in which the Closing occurs. For any Transferred Employee or dependent of a Transferred Employee who has satisfied Sellers pre-existing condition exclusion and/or who has creditable coverage from another group plan or individual plan, such Transferred Employee or such dependent would not be subject to Buyers pre-existing condition exclusion. If a Transferred Employee or dependent of a Transferred Employee has partially satisfied Sellers pre-existing condition exclusion, the amount of time credited to the completion of that pre-existing condition exclusion will be honored by Buyer.
(b) Buyer shall be responsible for making continuation coverage under Code Section 4980B and Sections 601-608 of ERISA (