If the filing threshold has been met, or in other words, if, independent of the portability election, the estate is required to file an estate tax return based on the total value of the gross estate and adjusted taxable gifts, no extension of time to elect portability is available and Revenue Procedure 2017-34 does not apply.
Verification is the process of assuring that the product satisfies the conditions before work starts. Validation is the process of assuring that the product meets the specified requirements at the end of the development phase. In other words, to make sure the product is designed in accordance with customer's requirements.
As applied to computer systems, the FDA definition of Validation is an umbrella term that is broader than the way the term validation is commonly used in the IT industry. In the IT industry, validation usually refers to performing tests of software against its requirements [2].ut Computer System Validation is more than just this type of testing. Computer System Validation requires a comprehensive set of equally important static testing activities that need to be conducted throughout the SDLC. This includes a variety of analyses, audits, walkthroughs, reviews, and traceability exercises.