ITR...

my wife & me is touring China for 3D/2N next month, I`m here in Abu Dhabi and already obtain my Tourist Visa and my wife is in Philippines and she will get her Visa there (Philippines) but when my wife called Embassy they were asking for ITR, but she is unemployed and what stated on the website ITR is needed for employed person only, we`re already completed of Round trip ticket,Hotel and Invitation letter from Travel tours.