Regarding subject receipt of a signed and dated copy of the consent forms, which is true about fda regulations? the fda regulations require a witness to document that the subject or the legally acceptable representative (lar) received the signed and dated copy of the consent forms. the fda regulations do not specify if the subject or the legally acceptable representative (lar) must receive a signed and dated copy of the consent forms. the fda regulations allow subjects or the legally acceptable representatives (lars) to receive either a signed or unsigned copy. the fda regulations require that the subject or the legally acceptable representative (lar) receive a copy of the signed and dated written informed consent form.