H1B Amendment

I have H1B approved petition got approved on OCT 2015 without stamping ,Now My company is processing H1B Amendment in Premium processing as location got changed for project, I have read one article redbus2us.com only that premium process start from May 16,

Please let me know is this case for H1 amendment also, That mine premium process start from May 16 onwards

If company has submitted all documents of H1 amendment to USICS by April 15th, Then will start the process from May 16 ?

Thanks

May 16 is the PP start date for new petitions that are being filed in FY-17. Yours is an existing petition and it’s PP will start soon after the same is received.