Baldwin said currently 16 other groups and two deans of Radcliffe have agreed to sign the ad.
Both bills were challenged at last night's meeting.
Several council members objected to spending money on acts of kindness.
"I don't see this as something that we need to spend student money on," said Justin D. Lerer '99, who is also a Crimson editor. "We can be just as creative without money."
Lerer proposed an amendment to strike the money element of the bill. Members voted down the amendment.
All members said they agreed with the general ideas expressed in the statement on rape, but several said they disapproved of the specific ways devised to attempt to prevent rape on campus.
In other business, Samuel C. Cohen '00 announced the results of votes on constitutional amendments that were tallied during the week.
One amendment designed to downsize the council failed. The other, which redraws first-year council districts, passed.