A daughter aged 50 has decided to come to France and live with us for the foreseeable future. She has no income and no job and will probably never work again as we now understand she is Autistic and unable to hold down normal employment. Unknown to us, she apparently had a medical diagnosis of Autism some years ago but has no documentation or certificates to support this.The situation is complicated by the fact that she is unable or unwilling to seek assistance either back in Uk or here in France, however, as she is family, we obviously ensure she has the very basic necessities for living ! My queries are: (1) As we are unable to claim any financial assistance - can we include her in our impots declaration so that at least we can get some reduction in the taxes we pay re Impot/Fonciere/Habitation (2) Does she have to register with the Impots that she is indeed now a permanent resident in France?