So, let's say you are requesting payment information from vendors. You need two pieces of paper: final invoices and W9 forms.
A. Request both at the same time in one email.
B. Request just the invoices, put together an entire book's worth of them and then ask your underling to request W9 forms piecemeal after the vendors have all closed.
Give me your answers below!
ETA: Now she's sarcastically referring to me as "Happy" (instead of by name) because I'm focusing on my work and not fucking around like she is. YAY.