Inheritance Tax corrective account C4Use form C4 to send in a correction when too much or too little Inheritance Tax has been paid on form IHT4. Grant of Confirmation for assets in Scotland use form C4S instead. This form is interactive one that you complete on screen and you must use Adobe Reader to complete it. Downloading Adobe Reader is free. Photoshop Cs5 Text Effects Psd. Download the latest version of Adobe Reader. Il-2 Sturmovik 1946 more. Purple/v4/fb/ac/12/fbac12ff-084a-039b-3c7e-c080cba00554/source/800x500bb.jpg' alt='C4 File Reader' title='C4 File Reader' />Allow customers to make quick and easy payments with this Square Contactless and Chip Reader. A great site for downloading PGN files.