Regulation 3 of the Principal Regulations is amended as follows:(a) by inserting the following paragraph after paragraph (c) in the definition of approved :(ca) in accordance with (i) a controlled waste tracking certificate as defined in the Environmental Management and Pollution Control (Controlled Waste Tracking) Regulations 2010 ; or(ii) an exemption granted in accordance with Part 5 of those regulations; or(b) by omitting the definitions of waste producer and waste transporter and substituting the following definition:waste producer means a person who has produced, received or has responsibility for controlled waste and who requires the waste to be recovered, recycled, incinerated, transferred, stored, reused, reprocessed, treated or disposed of.