It is the responsibility of the recipient to check for any errors incurred by the typesetter during the process of typesetting including but not restricted to: wrongly applied styles, incorrect typographical changes, job dimensions and changing (deletion or addition) of text.
In the case of corrections, it is the sole responsibility of the recipient to check that all corrections have been entered correctly and that the rest of the file is intact. The typesetter reserves the right to charge a fee for author corrections. The typesetter bears no responsibility whatsoever for any graphical, typographical or printing errors incurred during the process of typesetting, corrections or balancing.
Further, the responsibility of the file being press-ready falls upon the recipient of the PDF.
We strongly advise the hiring of a professional proofreader to mitigate errors in the final product.
Instructions on how to input corrections efficiently can be found here: http://www.renanatype.com/pdf