Inter has made it official on their website that Wallace joins the club. The statement on the website reads:
“FC Internazionale welcomes Wallace Oliviera dos Santos to the club. The paperwork on the Brazilian defender’s loan move to Inter from Chelsea has been completed and the documents submitted to the Lega Serie A.
Born in Rio de Janeiro on 1 May 1994, the highly rated right-back made his senior debut at Fluminense before joining Chelsea earlier this year.”
Source: Inter.it