According to NYSC official Facebook page orientation course will commence on the 18th of June, 2019.
The statement reads:

COUNTDOWN TO 2019 BATCH "B" ORIENTATION COURSE
Management wishes to inform prospective 2019 Batch "B" Corps Members that the Orientation Course commences on Tuesday 18th June, 2019.

Sequel to this, they are enjoined to note that all kits items would be made available to them free of charge on arrival at their respective Orientation Camps.

Similarly, deployment, relocation and internal posting of Corps Members are treated in accordance with laid down policy and do not attract any fee.

Prospective and Serving Corps Members are hereby advised to beware of fraudsters with mischievous intentions that may want to lure them into parting with some money under the guise of rendering such services.

NYSC is using this medium to reiterate its commitment to the welfare and security of all Corps Members nationwide.

Signed
Management

Source :
https://whenhow24..com/2019/06/breaking-nysc-2019-b-to-enter-camp-on.html