USCIS Service Center Operations Directorate (SCOPS) confirmed to AILA's SCOPS Liaison Committee that SCOPS is not anticipating any procedural changes for the FY2019 H-1B cap season.
 
USCIS intends to follow the same procedures that were used for the FY2018 H-1B season, which presumably would not include a pre-registration system.
 
In addition, USCIS does not anticipate that premium processing will be suspended for non-cap H-1B petitions, though there may be a short suspension of premium processing for H-1B cap-subject petitions.
 
Source:  American Immigration Lawyers Association
 

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