(b) A funeral establishment shall obtain from the person with the right to control the disposition pursuant to Section 7100 of the Health and Safety Code, or the person prearranging the cremation or hydrolysis and disposition of their own remains, a signed declaration designating specific instructions with respect to the disposition of cremated remains or hydrolyzed human remains. The Public Utilities Code, to amend Sections 6016.5, 7284.2, and 35001 of the Revenue and Taxation Code, to amend Sections 117, 5896.2, and 27164 of the Streets and Highways Code, to amend Sections 25110, 32052, 33002, and 40900 of the Vehicle Code, to amend Section 8561 of the Water Code, and to amend Section 148 of the Welfare and Institutions Code, relating to communication.