Start with the organization
Use its documented complaint or customer-service process where appropriate.
State a concrete resolution
Refund, correction, delivery, explanation or account adjustment are clearer than a general demand to 'fix this.'
Keep the record
The FTC currently advises consumers to keep notes about contacts, dates, promises and copies of online submissions when solving problems with a business.
Escalate to the right external body
Regulators, ombuds services, licensing bodies and courts have different jurisdictions; identify the one that actually covers the issue.
This page provides general educational information. For a real agreement, dispute, court filing, estate matter, debt problem or authorization document, check the current rules that apply where you live and obtain qualified advice when the consequences are significant.