Im slightly puzzled, i know its early but i need to make sure i get it all right. Ive seen my midwife today at 17+4 i wont see her again till 24+5 she has told me i will get my MAT B1 form then. My question is can i put in a letter letting my employer know of my intended date to take leave before I get the form. I want to take leave from first day possible due to health issues and its something my DH and I have discussed. I know you have to give them 28 days notice but the day i get my form it to the time i want to go on leave it will be 27 days, so can i give them notice and then give them the form when i get it?