fill out Form G-28

attorney representation, immigration form, legal representative notice, client information, attorney information, notice of appearance, uscis form, immigration case, petitioner authorization, applicant authorization, attorney signature, client signature, case number, filing date, immigration benefits, legal authorization, notice submission, government filing, immigration attorney, law firm details, representative address, contact information, authorized representative, power of attorney, legal notice, case update, legal correspondence, immigration procedures, federal form, petition assistance, application representation, attorney declaration, client declaration, case tracking, legal documentation, immigration process, representation request, legal compliance, form instructions, signature verification, submission confirmation