Sentence:  In practice, most of the regimes reviewed by the FHTP [Forum on Harmful Tax Practices] during its early years and which were abolished were either terminated without <WSD>grandfathering</WSD> or included <WSD>grandfathering</WSD> within this maximum five-year period. 
Meaning of the word marked with <WSD> tags:  To retain existing laws or rules only for people or organizations previously affected by them, and to apply new laws or rules to the unaffected people or organizations. (from 1950s)