Series 3 chassis lug bracket

I am getting to the end of a full series 3 restoration with new chassis. I am missing 2 right angle brackets that attach the inner front chassis vertical lugs to the front of the tub. They may have slotted holes on the bulkhead vertical. I can find no reference to them on any parts diagrams. Can anyone help me identify them with a parts number or supplier please

A bit like these? The chassis I'm working on now has them in the wrong place. The replacement half chassis didn't have them, so I'm going to make new ones.

New half chassis

Thank you. I think I might have found the part with yrm, it is a seat belt anchor!

Ah, the inside brackets on the crossmember! Yep. Not necessary for the tub, but perfect for the seatbelt brackets.