<!-- TMPL_INCLUDE NAME="doc-head-open.inc" -->Online Help: Serials -- Adding Subscriptions<!-- TMPL_INCLUDE NAME="doc-head-close.inc" -->
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	<h1>Serials subscription add and modify help</h1>
	<ul>
		<h2>Subscription information bloc</h2>
		<p>it contains the name of the librarian that created the subscription, the name of the supplier providing the subscription, the cost and the budget affected. It also contains the title of the biblio managed by the subscription.</p>
		<h2>Planning information bloc</h2>
		<p>it contains various information to calculate arrival dates.</p>
		<h2>Subscription length</h2>
		<p>one field in this bloc should be filled : the subscription length can be calculated in weeks, months or number of issues to recieve</p>
		<h2>Numbering calculation</h2>
		<p>The numbering of issues recieved can be a complex formulas. The "numbering formula" can be filled with any text and/or numbers. 3 special tokens <b>{X} {Y}</b> and <b>{Z}</b> can be user to define the calculation formula. XYZ values are calculated with the following method:</p>
			<ul>
				<li>Add : the number here is added to XYZ</li>
				<li>once every : the number before can be added on every issue or less often</li>
				<li>When more than : if the calculated number is more than the value here</li>
				<li>Set back to : if the previous condition is valid, the calculated number is set to this one instead</li>
				<li>Last value / begins with : the last value calculated or the 1st value (when adding a subscription</li>
			</ul>
		<h2>Sample</h2>
		Consider the formula <b>N°{X}/{Y}</b>. The following XYZ settings :
		<ul>
			<li> <b>X</b> add <b>1</b> once every <b>4</b> times. When more than <b>9999999</b> set back to <b>empty</b>. Begins with <b>2004</b></li>
			<li> <b>Y</b> add <b>1</b> once every <b>1</b> times. When more than <b>4</b> set back to <b>4</b>. Begins with <b>1</b></li>
		</ul>
		will result in the following issues numbers :
		<p>N°2004/1, N°2004/2, N°2004/3, N°2004/4, N°2005/1, N°2005/2, N°2005/3, N°2005/4, N°2006/1</p>
		<p>
			<b>Note:</b> when you add a subscription, Koha consider you already have done the order, or that you will do it soon. So, NO information is sent to the acquisition module. This is not the case when the subscription expires. In this case, a subscription renewal creates a "suggestion" that is sent to the acquisition module.
		</p>

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