Any letter of authorization should specifiy who is being authorized to do what. It must also include proof positive that the writer has shown proper documentation. This is normally done by notarizing the letter.
National Defense Authorization Act (NDAA).
Office for National Statistics was created in 1996.
The National Statistics Month in the Philippines is every October.
Everyone has access to the national statistics records of the Philippines. The National Statistics Office has a website that anybody can access.
National Administrative Department of Statistics was created in 1953.
how is data collected and used for the purpose of national statistics
In most places, you would obtain it from a governmental agency that is local to where the child was born. See the related link to the Philippines National Statistics Office.
The House Armed Services Committee (HASC) and Senate Armed Services Committee (SASC) are responsible for preparing the National Defense Authorization bills and reports.
Some national statistics can be reliable is they have been adjusted. The World Health Organization adjusts their statistics so that their statistics are reliable.
National income statistics are heavily limited by disclosure. If many people choose not to reveal their true income levels, the statistics available will be skewed.
(In the US) You will need to contact the Vital Statistics Office (or whatever it may be called) of the County in which you were born. You will be required to furnish and prove valid alternative proof that the official documents are incorrect.
I am celebrating national statistics month since last 10 years .