FORMS TO HAVE MY HUSBAND'S SSDI DEDUCTED FOR MY SPOUSAL SUPPORT.

DEAR SSI, MY QUESTION IS A TWO PART QUESTION.
MY HUSBAND AND I RECEIVE SSDI. I HAVE A COURT ORDER FOR HIM TO PAY ME 600. ON THE 1ST OF THE MONTH AND 300 ON THE 15TH OF THE MONTH. MY SPOUSE IS IN AGREEMENT THAT IF HIS SSDI CHECK CAN BE DEDUCTED FOR MY SPOUSAL SUPPORT, WHAT FORMS WOULD I NEED TO SET THIS IN MOTION. 2ND QUESTION, I RECEIVE 784 IN BENEFITS AND MY SPOUSE GETS 1900 A MONTH, CAN I SPIN OFF HIS BENEFITS SO I CAN HAVE AN INCOME INCREASE AS I AM NOT EVEN SQUEAKING BY OFF THIS 784 A MONTH. PLEASE EMAIL ME WITH THE ANSWER AND IF YOU KNOW WHAT FORMS I NEED FOR TOM AND I TO SIGN TO HAVE THE MONEY DIRECT DEPOSIT INTO MY BANK YOU CAN MAIL THEM TO L W 1xx W. ST. L, OR. 9xxxx. THANK YOU VERY MUCH. L.W. EMAIL IS IN SMALL LETTERS. imXXX@yahoo.com phone is 5xx-xxx-xxxx.