You must consider the following aspects before submitting your funding applicatione:
Involve the administrative support network as early as possible;
Write a work plan to describe the tasks that must be completed by the deadline;
Get familiar with the guide for applicants relevant for the program for which you wish to apply for funding. (for example, PN1- Postdoctoral research projects);
See the page about research funds and where you can apply;
Clarify resource expectations;
All the partners must reach an agreement before submitting the application;