I am helping someone file for DACA. I have the person's B2 Visa card with me. However, they have lost the I-94. Someone mentioned you can still file and add additional information letting them know that the I-94 has been lost. Has anyone done this before?

Also, I have searched on this forum and have not found any information on the I-821D being expired. Is the same form still being used even with the Feb. expiration date? I did not find a newer or updated form on the USCIS website. Thanks.