Game developers have also been asked to submit final purchase orders by February 15th, 2019. (knowtechie.com)
Elsewhere in the email, developers were informed by Sony that they must submit all PS Vita physical product code requests by June 28th, and final purchase orders by February 15th, 2019. (gamesinners.com)
The message also asks that all Vita product code requests are submitted by June 28th, 2018 and that final purchase orders be entered by February 15th, 2019. (cogconnected.com)