willem if you spoke spanish you would not be here making commentsabout the "hotel records" and the costs involved.
www.cemla.com and e-mail firstname.lastname@example.org can be very helpful or writing to that office (in Spanish) avda.Independencia 20 (1099) Buneos Aires, Argentina for her entry file information.
Reading an article that spares your concerns(?) is not productive. I believe I referred you to www.familias-argentinas.com.ar and click on the british flag you can see how much they charge. Petertimber