Respected Sir/ Madam,
My name is __________ (name) and I write this email in reference to your purchase order/ work order _________ (Purchase Order/ Work order number), we beg to inform you that there are delays of _____ (time) in project completion/ delivery due to various reasons, same are mentioned as under:
________ (Delay in providing specifications, Work front availability, Change in design midway through the project, Non-receipt of advance payment, Non-confirmation of technical data sheet shared, Unavailability of goods, Clearance for material dispatch not provided, Lockdown, Non-Availability of raw material)
(Select whichever is applicable, else specify your own reason)
We apologize for the delay and request you to suitably extend the completion/ delivery date and put the same in the records.
Thank you in advance.
____________ (Contact details)