The length of the retention period vary by industry and are based on the likelihood that the document will be needed at some point in the future for litigation reasons.

The length of the watchful waiting period is based on:

The length of his reign is based on the various Pictish king lists, where he is associated with Talorgan son of Uuthoil.

In women, the length of treatment is based on your medical condition, response to therapy, and the condition of your bones since leuprolide may weaken bones.

The dosage and length of treatment are based on your medical condition and response to therapy.

Because of this the length of the months are also not fixed in the Bengali sidereal calendar, but rather are based on the true movement of the sun.

Most commonly, the 35 mm equivalent focal length is based on equal diagonal angle of view.

At 57 measures, the length of the piece is largely based on the performer's interpretation, including the decision of whether to do both repeats; it may last between 6 and 12 minutes.

The length of time that the effect will last is based on the Shifter's experience.

The length of the shelf is based upon the space limitations of its siting and the amount of weight which it will be expected to hold.