(1) The petition for postconviction relief must:
(a) identify the proceeding in which the petitioner was convicted, give the date of the rendition of the final judgment complained of, and clearly set forth the alleged violation or violations;
(b) identify any previous proceedings that the petitioner may have taken to secure relief from the conviction; and
(c) identify all facts supporting the grounds for relief set forth in the petition and have attached affidavits, records, or other evidence establishing the existence of those facts.
(2) The petition must be accompanied by a supporting memorandum, including appropriate arguments and citations and discussion of authorities.