My ex-wife and I are both agreeing to a reduction in my

You will need two things and you are going to draft them.

An agreed petition to modify child support and the agreed order modifying child support.

You need both parties to sign both motion and order here in Florida and the court will sign off on it.These aren't premade here you will have to craft your own.

Petition with instructions.

See this part

UNCONTESTED

...

If the respondent files an answer that agrees with everything in your supplemental

petition or an answer and waiver,and you have complied with

mandatory disclosureand filed all of the

required papers, you may call the clerk, family law intake staff, or judicial

assistant to set a final hearing.

You must notify the other party of the hearing by using a

Notice of Hearing (General), Florida Supreme

Court Approved Family Law Form 12.923, or other appropriate notice of hearing

form.

http://www.flcourts.org/core/fileparse.php/533/urlt/905b.pdf

More from the above reference

Settlement Agreement

, if you have reached an agreement on any or all of the issues.

Although

there

is

no

form

for

this

in

these

Florida

Family

Law

Forms,

you

may

construct

a

settlement agreement using the pertinent sections contained in

Marital Settlement Agreement

for Dissolution of Marriage with Dependent or Minor Child(ren)

, Florida Supreme Court

Approved Family Law Form

12.902(f)(1).

I would draft an agreed order of of this and rename it

(b) Supplemental Final Judgment Modifying Child Support - 03/2015
RTF / PDF

http://www.flcourts.org/resources-and-services/family-courts/family-law-self-help-information/family-law-forms.stml#990

This is as close as I can come here to premade forms.You may also want to go by and see the clerk and buy a copy of an agreed order and draft off of that.

I sent you an offer for additional services I can read and comment on your documents once you have them drafted.Thanks again.