Dear [Service Provider], Subject: Disputed Bill for [Service/Product] — Account #[Account Number] I am writing to you regarding a recent bill that I have received for [service/product] provided by your company, which I dispute. I have carefully reviewed the details of the bill and have identified several discrepancies that I would like to bring to your attention. Firstly, the billed amount exceeds the agreed-upon price that was initially discussed during our [conversation/meeting] on [date]. I have attached a copy of the [contract/agreement] for your reference, clearly indicating the agreed-upon cost. I kindly request that you review your records and make the necessary adjustments to reflect the correct price. Furthermore, upon closer examination of the bill, I have noticed a series of additional charges that were not mentioned or explained to me by your representative at the time of purchase. These charges include [list specific charges e.g., service fees, maintenance fees, taxes], which were not included in the initial quotation. I believe that these charges are unjustified and should be removed from the bill. Additionally, I would like to dispute the accuracy of the quantity and duration of the services provided. According to my records, the services were not provided as they were agreed upon. This raises concerns about the quality and reliability of the service your company has delivered, as well as my trust in your billing practices. I kindly request that you conduct a thorough investigation into the disputed bill and address these issues promptly. It is essential to rectify this matter to ensure that our business relationship remains intact and to avoid any further inconvenience for both parties. I propose that we arrange a meeting or schedule a phone call to discuss the above concerns in greater detail. It is vital to resolve this dispute amicably and reach a mutually acceptable resolution. I trust in your commitment to customer satisfaction and seek your cooperation in resolving this matter as soon as possible. In the event that we are unable to reach a satisfactory resolution, I may have no option but to escalate this dispute to the appropriate authorities or seek legal advice. I truly hope it does not come to that, as I value our professional relationship and hope for a swift resolution. Please acknowledge the receipt of this letter and provide me with a written response within [time frame] addressing the aforementioned issues. Your prompt attention to this matter is greatly appreciated. Thank you for your understanding and cooperation. Sincerely, [Your Name] [Your Address] [City, State, ZIP] [Contact Number] [Email Address] --- Different types of Puerto Rico Sample Letter for Disputed Bill: 1. Sample Letter for Disputed Bill Regarding Overcharging 2. Sample Letter for Disputed Bill Due to Incorrect Pricing 3. Sample Letter for Disputed Bill with Unauthorized Charges 4. Sample Letter for Disputed Bill Regarding Services Not Rendered as Agreed 5. Sample Letter for Disputed Bill Requesting Explanation of Additional Fees 6. Sample Letter for Disputed Bill Seeking Corrected Invoice 7. Sample Letter for Disputed Bill Requesting Investigation and Resolution.