Complex sentence: This applies to any NERFU teams in Senior Men's D1 and D2 and Senior Women's D1, D2 and D3 while teams in NERFU Senior Men's D3 and D4 remain members of the NERFU only.
Split into simpler sentences: This applies to any NERFU teams in Senior Men's D1 and D2 and Senior Women's D1, D2 and D3. Teams in NERFU D3 and D4 remain members of the NERFU only.