In this chapter, the following terms have the meanings indicated. Terms Defined. “Bulk” means a total load which is in a mass, not packaged in separate units, and which cannot be counted. Containerized cargo is not considered to be bulk. “Feed” means food for animals or birds. Loose Material. “Loose material” means feed, dirt, sand, wood chips, stone, gravel, aggregate, solid waste, ready-mix concrete, or other similar material that can blow, fall, or spill from a vehicle as a result of movement or of exposure to air, wind, or weather. “Loose material” does not include agricultural products in their natural state, liquid loads, or concrete blocks. “Self-unloading by gravity or mechanical means” means that once the unloading process is started, gravity or a mechanism which is an integral part of the vehicle takes over the unloading process. Except as otherwise provided, a load shall be enclosed in conformance with Transportation Article, §24-106.1, Annotated Code of Maryland. Dump service registered vehicles operating in combination with another vehicle may not be allowed the weight exemptions provided for this class of registration. Two or Three Axle Dump Service Vehicles. The original application for registration shall be accompanied by: A dump service certification (Form VR-98); A sideview photograph of the vehicle; and The fee as set forth in Transportation Article, §13-919, Annotated Code of Maryland. Four or More Axle Dump Service Vehicles. The original application for registration shall be accompanied by: A dump service certification (Form VR-98); A sideview photograph of the vehicle, clearly showing the lift axle; The manufacturer's, second-stage manufacturer's, or authorized dealer's certification that the vehicle is in compliance with the requirements of COMAR 11.15.27.05; and The fee as set forth in Transportation Article, §13-919, Annotated Code of Maryland. Transportation Article, §§12-104(b) and 13-919, Annotated Code of Maryland Effective date: June 26, 1989 (16:12 Md. R. 1337) Regulation .02 repealed effective July 30, 2018 (45:15 Md. R. 725) Regulation .03 repealed effective July 30, 2018 (45:15 Md. R. 725) Regulations .03 and .05 amended as an emergency provision effective January 1, 1995 (22:2 Md. R. 73); emergency status extended to August 29, 1995 (22:9 Md. R. 643) Regulation .03F adopted effective August 14, 1995 (22:16 Md. R. 1222) Regulation .04C repealed effective July 30, 2018 (45:15 Md. R. 725) Regulation .05 amended effective January 1, 1992 (18:25 Md. R. 2754); August 14, 1995 (22:16 Md. R. 1222); July 30, 2018 (45:15 Md. R. 725)