Once the proposed work is clear, ask what the quotation includes and what is needed before inspection for an electric fence compliance certificate. Confirm who will arrange access, any associated wall or gate work and the handover documents. An approval to investigate options is different from approval to install a particular design, so keep the agreed work description available.
If the reason for considering new equipment is a recurring problem with an existing fence, explain the symptom first. Electric fence fault finding may clarify what is wrong before you choose a larger alteration. There is no need to decide on an upgrade from an alarm message alone, and changes to shared equipment should be discussed with its responsible manager.