13 GENERAL-PURPOSE ZONE SITE FRAMEWORKS Alternative Site Framework (ASF) Developed to address problems with TSF Grantee reframes FTZ to serve broad area, can get simple MBMs for actual needs, and essentially all sites get sunset limits that remove designation if unused in 3 to 5 years No swapping needed for minor boundary modifications As under TSF – FTZ space can only be designated through FTZ Board or FTZ staff action (with concurrence of CBP Port Director).
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