On what basis is the Acceptance plan prepared?

A formal product evaluation performed by a customer as a

condition of purchase. The testing can be based upon the

User Requirements Specification to which the system should

conform. Use Acceptance testing is black box testing.

User Acceptance Testing is the last stage of the Software

Development Lifecycle. User acceptance testing we

validating all the user requirements specified in SRS is

met after code freeze. The acceptance test is the

responsibility of the client/customer or project manager;

however, it is conducted with the full support of the

project team. Before the software goes live determining if

software is satisfactory to an end-user or customer.

The  status of the bug would  depends on the bug found .but

priority would be given high.