Sentence examples similar to validation is obligatory from inspiring English sources

However, there is no other comparable standard available besides the above mentioned ASTM method, which is obligatory for the ASTM test of skin antiseptics [ 19] and which includes the validation of neutralization.

It is obligatory for all lymphoma-treating departments to report cases of lymphoma to the LYFO database, and validation of the data entry fields is performed instantly.

There is obligatory scatology.

Half board is obligatory.

Indeed, it is obligatory.

Expertise of international standards is obligatory.

The "by all accounts" is obligatory.

CD4 is obligatory for infection with primary HIV-1 isolates.

Creativity is obligatory.

Therefore, maintaining the construction standards is obligatory.

Therefore, it is obligatory to refine the gridblocks.