Section 28-216.8.3.3. Failure of owner to perform work

If no action in
  accordance with the modified precept  is  undertaken  by  the  owner  or
  applicant  for  modification  within  the  time  period  provided in the
  modification  following  the   granting   of   such   application,   the
  commissioner  may  direct  the  department  of  housing preservation and
  development or the department of  citywide  administrative  services  or
  such  other  authorized agency to execute the original precept, provided
  however that prior to  such  execution,  notice  shall  be  provided  by
  regular  mail to the owner of the unsafe building, structure or premises
  and applicant for the modification if other than the owner,  at  his  or
  her  last  known  address. The owner shall continue to have the right to
  request the commissioner to modify the requirements of the precept prior
  to the execution thereof.