You will need to decide what other information you want and add it to your application. A return contract, stating that the dog must be returned to you if they cant keep it. It is helpful to have an attorney look at all your forms when you have them completed to assure that your liability is reduced as much as possible. This is especially true for senior dogs and medically needy dogs. Unless you decide not to take these kinds of rescue dogs, you will need to have a fund raising plan.
Some groups solicit funds through newsletters, others sell or raffle off dog related items.
Whatever method you use, you will want to learn the laws in your state that cover fund raising. The GRCA has funds available through grants. Contact the committee to assist rescue for applications. Remember, aggressive dogs are a safety issue and a liability issue. You will need to keep in mind that your ability to help dogs in the future may depend on your decisions today.