On point 5, the main rules in section 63 say that a manager burden comes to an end on the earliest of the following dates:
the point the manager burden says the burden comes to an end
the relevant date, which is three years (for sheltered or retirement housing), thirty years (for homes bought from local authorities under the 'right to buy' legislation) or five years (for other types of housing).
the date owners of ex-council properties act together to dismiss the factor using section 64 (as described in point 4 above)
90 days after the point the person who can be a factor, or appoint a factor, under a manager burden stops owning a property in a development...