According to Zarif Biden has agreed to annul these executive order:
13781, 13902, 13876 (Khamenei and his office), 13846 (partially), 13754, 13590, 13622, 13645, 13628
According to Zarif the Biden administration has agreed to suspend these laws:
National Defense Authorization Act (NDAA) of 2012
Iran Threat Reduction and Syria Human Rights Act (TRA)
Iran Freedom and Counter-Proliferation Act, (IFCA)
Iran Sanctions Act (ISA)