"This matter will be handled by this department as part of its operations."
- "This matter will be handled by this department as part of its operations."
"this matter" 「本件」"this case" も使えます。
"will be handled by ~" 「〜で対応する」
"this department" 「この部署」"this branch" や "this bureau" も言えます。
"as part of ~" 「〜の一環」
"it's operations" 「業務」