Clause 4.2 Understanding the needs and expectations of interested parties ; Suppliers. orders. timely payments / a mutually beneficial relationship. When the needs and expectations of interested parties are met customer satisfaction improves, which is the driving force behind having a quality. Do you hold certification to the new ISO 14001 standard? Find out who your interested parties are and determine their needs and expectations. Click here to download a checklist of interested parties and examples of their needs and expectations. Group, Interested parties, Examples of needs/expectations.